4mm Pipe Fittings in Plumbing Pipe Fittings

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Industrial Plumbing & Fixtures
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1,556 results

STRAIGHT Reducer JOINER TUBING PLASTIC BARBED CONNECTOR PIPE HOSE Air Fuel Water
FREE UK POSTAGE / VARIOUS STYLES & SIZES / Qty:1,2,5
Brand new · Unbranded
£1.79 to £14.78
Free postage
287 sold
STRAIGHT Reducer JOINER TUBING BRASS BARB CONNECTOR PIPE HOSE Air Fuel Water Gas
Brand new · Unbranded
£1.90 to £8.86
Free postage
148 sold
BSP Taper Thread x Hose Tail Connector Brass Pipe Fitting for Air Water Fuel Gas
Brand new · Unbranded
£1.78 to £19.19
Free postage
METAL PNEUMATIC PUSH IN FITTINGS HOSE TUBE WATER AIR SPEED FIT JOIN ADAPTOR TEE
Brand new
£0.99 to £99.99
Free postage
54 sold
NYLON PNEUMATIC PUSH FIT CONNECTOR TUBE PIPE JOINER SPEED AIR WATER LINES HOSE
ELBOW / STRAIGHT / T PIECE - 4mm 6mm 8mm 10mm 12mm
Brand new
£2.25 to £18.35
Free postage
300 sold
Hose Pipe Connector STRAIGHT REDUCING fitting plastic barbed Fuel Water Vacuum
Qty:1;3;6 / Best Quality in Europe / UK Free Shipping
Brand new · Unbranded
£1.99 to £14.99
Free postage
98 sold
Brass Connectors Compression Pipe Fittings Plumbing Coupling With Olives
Brand new
£3.49 to £64.99
Free postage
Plastic Hose Joiners Tube Fittings Barbed Pipe Connectors all Types I T Y X L
Brand new · Unbranded
£1.25 to £5.45
£1.45 P&P
Plastic Barbed Connector Pipe Hose Joiner Tubing Fittings Air Fuel Water Petrol
Brand new
£1.50 to £3.95
£0.50 P&P
447 sold
Plastic Hose Joiner - Silicone Straight T-Piece Boost Gauge Pipe Tap Tee Elbow
Brand new · Unbranded
£1.79 to £7.99
Free postage
675 sold
90 Degree Elbow PLASTIC BARBED JOINER REDUCER CONNECTOR PIPE HOSE Air Fuel Water
FREE UK POSTAGE / VARIOUS STYLES & SIZES / Qty:1,2,5
Brand new · Unbranded
£1.79 to £14.49
Free postage
215 sold
STRAIGHT Reducer JOINER TUBING BRASS BARB CONNECTOR PIPE HOSE Air Fuel Water Gas
Brand new · Unbranded
£1.90 to £8.86
Free postage
STRAIGHT/ELBOW/T-PIECE NYLON PNEUMATIC PUSH FIT CONNECTOR SPEED AIR LINE HOSE
4mm 6mm 8mm 10mm 12mm Elbow Straight T Piece Hydraulic
Brand new
£2.00 to £19.05
Free postage
Tube OD Brass Compression Sleeves Ferrules Brass Ferrule Fitting and Hose Insert
Brand new
£4.50 to £9.99
Free postage
BRASS COMPRESSION OLIVES - Barrel Plumbing Tube Pipe Olive Metric & Imperial
Brand new
£2.49 to £35.99
Free postage
123 sold
BLACK/SELF COLOUR STEEL PIPE up to 900mm - THREADED BOTH ENDS
Brand new
£2.85 to £25.92
£3.60 P&P
Pipe Tube Hose Mender Tee Joiner Connector T Piece Fitting
Brand new
£6.09 to £83.49
Free postage
Click & Collect
T Piece Hose Pipe Connector 3 way Joiner Mender Repair Oil Gas Diesel Air Vacuum
Qty:1;3;6 / Best Quality in Europe / UK Free Shipping
Brand new · Unbranded
£1.79 to £20.40
Free postage
High Pressure Metal Push-in Fittings for Air or Central Lubrication Systems Tube
Brand new
£0.99 to £48.00
Free postage
NPT Male Female Elbow Push Fit Metric Push in Fittings 1/8" 1/4" 3/8" 1/2" NPT
Brand new
£2.00 to £20.00
Free postage
71 sold
NPT Pneumatic Push In Fittings for Air/Water Hose & Tube **ALL SIZES AVAILABLE**
Brand new
£2.00 to £20.00
Free postage
HOSE WATER T PIECE TEE PIPE REPAIR JOINER CONNECTOR OIL,AIR,FUEL,PETROL DIESEL
Brand new
£0.99 to £5.99
£0.50 P&P
240 sold
T JOINER Piece 3 WAY PLASTIC BARBED CONNECTOR PIPE HOSE Reducer Air Fuel Water
FREE UK POSTAGE / VARIOUS STYLES & SIZES / Qty:1,2,5
Brand new · Unbranded
£1.79 to £15.99
Free postage
TEFEN Nylon Male BSP x Elbow Hose Connectors
Brand new · Tefen
£2.65 to £6.05
Free postage
58 sold
90 degree hose connector Elbow Mender Barbed Joiner Tubing Fittings Pipe Adapter
Qty:1;3;6 / Best Quality in Europe / UK Free Shipping
Brand new · Unbranded
£1.79 to £16.68
Free postage
74 sold
Push in Fittings for Land Rover Discovery Defender Range Rover Air Suspension
Brand new
£1.40 to £16.60
Free postage
X Cross 4 way Pipe Hose Connector Fittings Tubing barbed joiner splitter plastic
Qty:1;3;6 / Best Quality in Europe / UK Free Shipping
Brand new · Unbranded
£1.79 to £7.75
Free postage
Hose Mender Pipe Connector Straight Reducer Elbow Tee Y Fuel Air Water Joiner
Brand new
£5.99 to £39.69
Free postage
Click & Collect
T piece Divider Air Pneumatic Fluid Water Hydraulic Quality Push In Fitting
Brand new
£3.19 to £3.79
Free postage
31 sold
4mm Tube OD Brass Compression Sleeve Ferrules Brass Ferrule Insert Fitting Kit
Brand new · uxcell
£8.39
Free postage
Nylon Pneumatic MALE STUD 90 degree METRIC BSP tube push fit connector 4mm - 1/4
Brand new
£2.95
Free postage
Equal Ended Straight Coupling - Metric Compression Fitting
Brand new · Unbranded
£11.00 to £22.00
Free postage
Click & Collect
Plastic Male Thread Pipe Fittings Straight 1/8"- 3/4" Hose Barb Connector 3-25mm
Brand new · Unbranded
£1.60 to £24.72
£1.79 P&P
Compression Pipe Fittings Stainless Steel Connectors Plumbing 3mm 4mm 5mm -25mm
Brand new · Unbranded
£3.23 to £153.06
£1.79 P&P
Brass Reducer Hose Joiner Barb Splitter Pipe Connector Air Fuel Water Gas Tubing
Brand new · Unbranded
£2.50 to £13.99
Free postage
Hose mender pipe repair FISH fuel petrol FIX straight elbow JOINER Piece tank
Brand new
£0.99 to £3.45
£0.50 P&P
STRAIGHT Reducer JOINER TUBING PLASTIC BARBED CONNECTOR PIPE HOSE Air Water
Brand new · Unbranded
£1.79 to £2.10
£1.79 P&P
Pneumatic Push In Fittings Air Water Hose Tube Stem NYLON SPEED JOIN ADAPTER TEE
Brand new
£1.40 to £16.60
Free postage
338 sold
1/4 to 4mm Pneumatic T piece male Stud hose inline push fit connector air line
Brand new
£3.50
Free postage
Male Stud Coupling BSPT - Nickel Plated Brass Compression Fitting
Brand new · Unbranded
£4.27 to £115.59
Free postage
96 sold
Compression Pipe Fittings Stainless Steel Connectors Plumbing 3mm 4mm 5mm -25mm
Brand new · Unbranded
£3.06 to £153.06
£1.79 P&P
Brass Reducer Hose Joiner Barb Splitter Pipe Connector Air Fuel Water Gas Tubing
Brand new · Unbranded
£2.03 to £8.39
Free postage
Metric Brass Compression Olives Barrel Plumbing Tube Pipe Olives All Sizes
Brand new
£3.09 to £101.90
Free postage
TEFEN Nylon Elbow Hose Connectors
Brand new · Tefen
£2.55 to £3.35
Free postage
Push In Fittings for Air & Water Hose Tube **ALL SIZES AVAILABLE** One Touch Fit
Brand new
£1.40 to £16.60
Free postage
Metal Brass Hose Joiner Barb Tail Connector Splitter Fuel Water Gas Pipe Tubing
Brand new · Unbranded
£1.79 to £10.67
Free postage
TEFEN Nylon Equal Tee Hose Connectors
Brand new · Tefen
£2.65 to £3.35
Free postage
Push Fit Connector Nylon Pneumatic - Speed Fit Air Line Water Hose Compression
Brand new · Unbranded
£3.99 to £42.99
Free postage
4mm/6mm/8mm/10mm copper pipe/end feed/soldered ring/brass compression fittings
Brand new
£1.51 to £61.13
£2.70 P&P
Straight Coupling Connector - Nickel Plated Brass Compression Fitting
Brand new · Unbranded
£6.22 to £117.97
Free postage
Click & Collect
Pneumatic Push In Fittings for Air/ Water John Guest Genuine, JG Premium Quality
Brand new · John Guest
£2.95 to £7.95
£2.99 P&P
TEFEN Nylon Reduced Straight Hose Connectors
Brand new · Tefen
£2.45 to £3.03
Free postage
63 sold
Hose Pipe Joiners Plastic Straight Reducer Piece Water Fuel Air Connector
Brand new
£3.79 to £96.09
Free postage
TEFEN Nylon Straight Hose Connectors
Brand new · Tefen
£2.50 to £2.90
Free postage
TEFEN Nylon Male BSP x Straight Hose Connectors
Brand new · Tefen
£2.55 to £5.80
Free postage
Y Piece Pipe Hose Connector Plastic Barbed Joiner Tubing Splitter 3 Way Reducer
Qty:1;3;6 / Best Quality in Europe / UK Free Shipping
Brand new
£1.75 to £6.99
Free postage
115 sold
Pneumatic Push In Fittings for Air/Water Hose & Tube **ALL SIZES AVAILABLE**
Brand new
£1.50 to £17.50
Free postage
87 sold
Hose Mender Pipe Repair Pond Fuel Diesel Reducer Straight Reducers
Brand new
£2.99 to £9.99
Free postage
33 sold
Equal Ended Elbow - Nickel Plated Brass Compression Fitting
Brand new · Unbranded
£6.93 to £125.67
Free postage
Click & Collect
TEFEN Nylon Female BSP x Hose Connectors
Brand new · Tefen
£2.80 to £7.10
Free postage

Top-rated

See all

McAlpine ST90CPTOPTUBE Replacement Shower Trap Cover
(74)

93% agree - Would recommend
£16.99 New
Loctite 55 160m Pipe Thread Sealing Cord
(23)

100% agree - Would recommend
£8.50 New
Loctite 55 Pipe Sealing Cord - Size 50m Roll
(20)

100% agree - Would recommend
£7.99 New
John Guest Speedfit 15mm Equal Straight Connector - White (Pack of 10)
(19)

100% agree - Would recommend
£2.00 New
McAlpine WC Toilet Cistern Overflow Condensate Pipe Flexible Connector 300mm
(19)

100% agree - Would recommend
£7.89 New
Polypipe PolyPlumb Elbow - Grey (PB115)
(11)

100% agree - Would recommend
£4.99 New
McAlpine 40mm Air Admittance Valve Vent Pipe 1 1/2" Ventapipe Durgo Type VP2W
(10)

100% agree - Would recommend
£9.69 New
JG Speedfit Superseal STS15 15mm Pipe Insert - White
(9)

100% agree - Would recommend
£3.95 New

Material

Type

4mm Pipe Fittings in Plumbing Pipe Fittings

Shop by category

1,556 results

STRAIGHT Reducer JOINER TUBING PLASTIC BARBED CONNECTOR PIPE HOSE Air Fuel Water

STRAIGHT Reducer JOINER TUBING BRASS BARB CONNECTOR PIPE HOSE Air Fuel Water Gas

BSP Taper Thread x Hose Tail Connector Brass Pipe Fitting for Air Water Fuel Gas

METAL PNEUMATIC PUSH IN FITTINGS HOSE TUBE WATER AIR SPEED FIT JOIN ADAPTOR TEE

NYLON PNEUMATIC PUSH FIT CONNECTOR TUBE PIPE JOINER SPEED AIR WATER LINES HOSE

Hose Pipe Connector STRAIGHT REDUCING fitting plastic barbed Fuel Water Vacuum

Brass Connectors Compression Pipe Fittings Plumbing Coupling With Olives

Plastic Hose Joiners Tube Fittings Barbed Pipe Connectors all Types I T Y X L

Plastic Barbed Connector Pipe Hose Joiner Tubing Fittings Air Fuel Water Petrol

Plastic Hose Joiner - Silicone Straight T-Piece Boost Gauge Pipe Tap Tee Elbow

90 Degree Elbow PLASTIC BARBED JOINER REDUCER CONNECTOR PIPE HOSE Air Fuel Water

STRAIGHT Reducer JOINER TUBING BRASS BARB CONNECTOR PIPE HOSE Air Fuel Water Gas

STRAIGHT/ELBOW/T-PIECE NYLON PNEUMATIC PUSH FIT CONNECTOR SPEED AIR LINE HOSE

Tube OD Brass Compression Sleeves Ferrules Brass Ferrule Fitting and Hose Insert

BRASS COMPRESSION OLIVES - Barrel Plumbing Tube Pipe Olive Metric & Imperial

BLACK/SELF COLOUR STEEL PIPE up to 900mm - THREADED BOTH ENDS

Pipe Tube Hose Mender Tee Joiner Connector T Piece Fitting

T Piece Hose Pipe Connector 3 way Joiner Mender Repair Oil Gas Diesel Air Vacuum

High Pressure Metal Push-in Fittings for Air or Central Lubrication Systems Tube

NPT Male Female Elbow Push Fit Metric Push in Fittings 1/8" 1/4" 3/8" 1/2" NPT

NPT Pneumatic Push In Fittings for Air/Water Hose & Tube **ALL SIZES AVAILABLE**

HOSE WATER T PIECE TEE PIPE REPAIR JOINER CONNECTOR OIL,AIR,FUEL,PETROL DIESEL

T JOINER Piece 3 WAY PLASTIC BARBED CONNECTOR PIPE HOSE Reducer Air Fuel Water

TEFEN Nylon Male BSP x Elbow Hose Connectors

90 degree hose connector Elbow Mender Barbed Joiner Tubing Fittings Pipe Adapter

Push in Fittings for Land Rover Discovery Defender Range Rover Air Suspension

X Cross 4 way Pipe Hose Connector Fittings Tubing barbed joiner splitter plastic

Hose Mender Pipe Connector Straight Reducer Elbow Tee Y Fuel Air Water Joiner

T piece Divider Air Pneumatic Fluid Water Hydraulic Quality Push In Fitting

4mm Tube OD Brass Compression Sleeve Ferrules Brass Ferrule Insert Fitting Kit

Nylon Pneumatic MALE STUD 90 degree METRIC BSP tube push fit connector 4mm - 1/4

Equal Ended Straight Coupling - Metric Compression Fitting

Plastic Male Thread Pipe Fittings Straight 1/8"- 3/4" Hose Barb Connector 3-25mm

Compression Pipe Fittings Stainless Steel Connectors Plumbing 3mm 4mm 5mm -25mm

Brass Reducer Hose Joiner Barb Splitter Pipe Connector Air Fuel Water Gas Tubing

Hose mender pipe repair FISH fuel petrol FIX straight elbow JOINER Piece tank

STRAIGHT Reducer JOINER TUBING PLASTIC BARBED CONNECTOR PIPE HOSE Air Water

Pneumatic Push In Fittings Air Water Hose Tube Stem NYLON SPEED JOIN ADAPTER TEE

1/4 to 4mm Pneumatic T piece male Stud hose inline push fit connector air line

Male Stud Coupling BSPT - Nickel Plated Brass Compression Fitting

Compression Pipe Fittings Stainless Steel Connectors Plumbing 3mm 4mm 5mm -25mm

Brass Reducer Hose Joiner Barb Splitter Pipe Connector Air Fuel Water Gas Tubing

Metric Brass Compression Olives Barrel Plumbing Tube Pipe Olives All Sizes

TEFEN Nylon Elbow Hose Connectors

Push In Fittings for Air & Water Hose Tube **ALL SIZES AVAILABLE** One Touch Fit

Metal Brass Hose Joiner Barb Tail Connector Splitter Fuel Water Gas Pipe Tubing

TEFEN Nylon Equal Tee Hose Connectors

Push Fit Connector Nylon Pneumatic - Speed Fit Air Line Water Hose Compression

4mm/6mm/8mm/10mm copper pipe/end feed/soldered ring/brass compression fittings

Straight Coupling Connector - Nickel Plated Brass Compression Fitting

Pneumatic Push In Fittings for Air/ Water John Guest Genuine, JG Premium Quality

TEFEN Nylon Reduced Straight Hose Connectors

Hose Pipe Joiners Plastic Straight Reducer Piece Water Fuel Air Connector

TEFEN Nylon Straight Hose Connectors

TEFEN Nylon Male BSP x Straight Hose Connectors

Y Piece Pipe Hose Connector Plastic Barbed Joiner Tubing Splitter 3 Way Reducer

Pneumatic Push In Fittings for Air/Water Hose & Tube **ALL SIZES AVAILABLE**

Hose Mender Pipe Repair Pond Fuel Diesel Reducer Straight Reducers

Equal Ended Elbow - Nickel Plated Brass Compression Fitting

TEFEN Nylon Female BSP x Hose Connectors

Best selling

Loctite 55 Pipe Sealing Cord - Size 50m Roll

John Guest 22mm Quickly and Securely Connects Equally Sized Pipe to Form a 90° Pipe Bend (PEM0322W)

Polypipe PolyPlumb Elbow - Grey (PB115)

John Guest Speedfit 15mm Equal Straight Connector - White (Pack of 10)

2 x Philmac 20mm (1/2") elbows / bends for MDPE water pipe. Coupling 98952200

4x McAlpine Dc1-bl Drain Connector Black 110mm

10 X 22mm Copper Compression Olives

Polypipe 230mm Square Top Surround For Bottle Gully UG418 in Black

Top-rated

McAlpine ST90CPTOPTUBE Replacement Shower Trap Cover

Loctite 55 160m Pipe Thread Sealing Cord

Loctite 55 Pipe Sealing Cord - Size 50m Roll

John Guest Speedfit 15mm Equal Straight Connector - White (Pack of 10)

McAlpine WC Toilet Cistern Overflow Condensate Pipe Flexible Connector 300mm

Polypipe PolyPlumb Elbow - Grey (PB115)

McAlpine 40mm Air Admittance Valve Vent Pipe 1 1/2" Ventapipe Durgo Type VP2W

NPT Pneumatic Push In Fittings for Air/Water Hose & Tube ALL SIZES AVAILABLE

Push In Fittings for Air & Water Hose Tube ALL SIZES AVAILABLE One Touch Fit

Pneumatic Push In Fittings for Air/Water Hose & Tube ALL SIZES AVAILABLE