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Internal Box Filters
Top-rated
See all
Easy Crystal Water Fish Tank Filter by Tetra Carbon Replacement Cartridge 3 Pac
(70)
100%
agree - Would recommend
£11.93 New
Tétra C250/300 Box Filter
(58)
94%
agree - Would recommend
£7.00 New
Fluval A465 Underwater Filter
(19)
100%
agree - Would recommend
£27.49 New
Best selling
See all
Easy Crystal Water Fish Tank Filter by Tetra Carbon Replacement Cartridge 3 Pac
(70)
£11.93 New
TMC Reef-Roller Manual M
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Internal Aquarium Power Filters
Internal Foam/Sponge Filter Aquarium Filters
Internal Aquarium Protein Skimmers
External Box Filters
Internal Aquarium Undergravel Filters
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Box Filter
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Interpet Filter
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1 Micron Filter in Aquarium Filters
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Cold Water Fish Tank Filter
Eheim Professional 3 in Aquarium Filters
Elite Fish Tank Filter
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Fish Tank Bio Filter
Fish Tank Box Filter
Fish Tank Filter 200l
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Fish Tank Oxygen in Aquarium Filters
Fluval 206 External Filter
Fluval 3 Plus in Aquarium Filters
Fluval 304 in Aquarium Filters
Fluval 404 in Aquarium Filters
Fluval 405 Filter
Fluval Hose in Aquarium Filters
Fluval U2 Aquarium Filter
Hang On Filter
Hydra in Aquarium Filters
Marina I25 Filter
Nano Aquarium Filter
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Tetra 1200 Filter
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Internal Aquarium Fish Tank Submersible Filter - All Pond Solutions IF Range
Brand new
·
All Pond Solutions
(60)
£6.59
to
£18.99
Free postage
Click & Collect
7,818 sold
Ultimate Fish Tank Filter Internal Aquarium Filtration Purifier Oxygen Pump
Brand new
·
Unbranded
£11.04
to
£16.69
(£16.69/Unit)
Free postage
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£10.79
to
£20.87
(£17.99/Unit)
Free postage
3 in 1 Aquarium Fish Tank Filter Internal Purifier Oxygen Pump Water Filtration
Brand new
·
Unbranded
£10.55
to
£15.92
(£15.92/Unit)
Free postage
Click & Collect
Aquarium Fish Tank 6 in 1 Filter Water Pump Internal Purifier Oxygeneration
Brand new
·
Unbranded
£9.73
to
£19.48
(£19.48/Unit)
Free postage
red sea nano mat the compact plug & play fleece roller
Pre-owned
·
Red Sea
£135.88
or Best Offer
Free postage
15 watching
BUBBLE MAGUS C3.5 MARINE INTERNAL PROTEIN SKIMMER FISH AQUARIUM TANK NEEDLE PUMP
New (other)
·
BUBBLE-MAGUS
£92.95
Free postage
Click & Collect
Only 1 left.
Fluval Mini/U Series 45L - 240L Underwater Aquarium/Viv Filter CUSTOMER RETURN
Refurbished
·
Fluval
(19)
£19.99
Free postage
Click & Collect
4 watching
BUBBLE MAGUS C3.5 MARINE INTERNAL PROTEIN SKIMMER FISH AQUARIUM TANK NEEDLE PUMP
Brand new
·
BUBBLE-MAGUS
£93.95
Free postage
Click & Collect
Only 1 left.
Aquael UniFilter UV Internal Filters - 500, 750, 1000 for Aquarium Fish Tank
Brand new
·
Aquael
(4)
£42.95
to
£57.95
Free postage
Click & Collect
151 sold
3 in 1 Aquarium Fish Tank Filter Internal Purifier Oxygen Pump Water Filtration
Brand new
·
Unbranded
£9.88
to
£15.60
(£11.32/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.08
to
£15.61
(£11.28/Unit)
Free postage
Fish Tank Filter Internal Filter for Small Tank Coldwater or Tropical Aquariums
Brand new
·
Unbranded
£11.41
to
£21.16
(£14.29/Unit)
Free postage
New listing
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£9.72
to
£20.63
(£12.55/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£9.73
to
£15.46
(£15.46/Unit)
Free postage
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£9.74
to
£19.49
(£13.82/Unit)
Free postage
Aquarium Fish Tank 6 in 1 Filter Water Pump Internal Purifier Oxygeneration
Brand new
·
Unbranded
£9.80
to
£19.55
(£19.55/Unit)
Free postage
NEWA Cobra Internal Filter With Built in Surface Skimmer Aquarium Fish Tank Pump
Brand new
£26.99
to
£39.99
Free postage
Click & Collect
Aquarium IFXE Internal Filter Aqua One Submersible Flow Fish Tank & Suction Cups
Brand new
·
Aqua One
£12.29
to
£24.49
(£24.49/Unit)
Free postage
Click & Collect
Aqua One FilterAir 30 60 136 Aeration Filter Sponge Weighted Fish Tank Aquarium
Brand new
·
Aqua One
£8.15
to
£8.95
Free postage
Click & Collect
185 sold
New listing
Interpet Cartridge Filter CF Mini Fish Tank Aquarian 35 Litres New Open Box
Brand new
·
Interpet
(14)
£17.99
(£17.99/Unit)
or Best Offer
£3.45 P&P
Click & Collect
Tetra Easy Crystal Filter Pack with Activated Carbon 250-300 - EasyCrystal Media
Brand new
·
Tétra
(58)
£15.39
Free postage
Click & Collect
Only 1 left.
Aquarium Corner Box Filter XY-2008 Fish Tank Air Driven Carbon Floss Filtration
Brand new
£9.69
Free postage
Click & Collect
Ultimate Fish Tank Filter Internal Aquarium Filtration Purifier Oxygen Pump
Brand new
·
Unbranded
£11.28
to
£16.94
(£12.65/Unit)
Free postage
Fluval New U-Series U1,U2,U3,U4 Internal Filters Submersible Aquarium Fish Tank
Brand new
·
Fluval
(19)
£10.65
to
£73.52
Was:
£39.99
was - £39.99
Free postage
Click & Collect
Ultimate Fish Tank Filter Internal Aquarium Filtration Purifier Oxygen Pump
Brand new
·
Unbranded
£11.08
to
£16.62
(£11.08/Unit)
Free postage
Aquarium for Aquarium Biochemical Filter Foam Sponge for Pond Filtration Cotton
Brand new
·
Unbranded
£6.12
to
£21.26
Free postage
Xinyou Aquarium Sponge Filter In Black - XY-2811 NEW - box opened
New (other)
£7.55
Free postage
Click & Collect
Fish Tank Filter Internal Filter for Small Tank Coldwater or Tropical Aquariums
Brand new
·
Unbranded
£9.74
to
£19.49
(£15.22/Unit)
Free postage
New listing
Internal Fish Tank Filter 6 in 1 Aquarium Filter Water Pump for 32-120L Aquarium
Brand new
·
Unbranded
£11.03
to
£22.43
(£17.87/Unit)
Free postage
Ultimate Fish Tank Filter Internal Aquarium Filtration Purifier Oxygen Pump
Brand new
·
Unbranded
£10.24
to
£15.84
(£15.84/Unit)
Free postage
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£9.92
to
£19.69
(£9.92/Unit)
Free postage
All Pond Solutions Submersible Aquarium Fish Tank Internal Filter Purifier Pump
Brand new
·
Unbranded
£11.03
to
£16.67
(£12.35/Unit)
Free postage
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£11.36
to
£21.06
(£17.93/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.16
to
£15.73
(£13.74/Unit)
Free postage
Air Driven Corner Filter Sponge Fry Shrimp Nano Fish Tank Aquarium up to 40 Gal
Brand new
£7.58
to
£10.71
£10.77 P&P
650 sold
TUNZE COMLINE STREAMFILTER 3163 FISH TANK FRESH SALT WATER FILTER MARINE FILTER
Brand new
(3)
£101.49
Free postage
Click & Collect
82 sold
Fish Tank Filter 3-in-1 Internal Aquarium Filtration 4W-35W Pump for Small Tanks
Brand new
·
Unbranded
£11.18
to
£16.87
(£15.47/Unit)
Free postage
Internal Aquarium Filter Submersible Water Pump Oxygen Aeration Wave Maker
Brand new
·
Unbranded
£9.71
to
£19.45
(£15.18/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.19
to
£16.31
(£16.31/Unit)
Free postage
Fluval Filter Mini U1 U2 U3 U4 Internal Underwater Aquarium Fish Tank Filtration
NEW 2021 MODELS
Brand new
·
Fluval
(19)
£7.99
to
£73.49
Free postage
Click & Collect
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£9.90
to
£19.66
(£15.37/Unit)
Free postage
All Pond Solutions aquarium internal filter - 2001-F
New (other)
·
All Pond Solutions
(60)
£8.50
£3.38 P&P
UK HI-Q AQUARIUM FISH TANK BIO FOAM SPONGE FILTER BREEDING SMALL FRY FILTRATION
Brand new
£4.68
to
£10.48
Free postage
Aqua One FilterAir Aquarium 30 60 136 Aeration Filter Weighted Sponge Fish Tank
Brand new
·
Aqua One
(1)
£8.45
to
£9.25
Free postage
Click & Collect
4 watching
Aquarium Internal Fish Tank Filter Tanks Quiet Powerful 4W-35W Filtration System
Brand new
·
Unbranded
£10.15
to
£15.72
(£11.36/Unit)
Free postage
6 in 1 Aquarium Fish Tank Filter Water Pump Internal Purifier Oxygen Wave Maker
Brand new
·
Unbranded
£11.42
to
£21.18
(£18.41/Unit)
Free postage
Tetratec Easy Crystal Filter Pack C 250/300 Carbon Tetra Fish Tank Filter Media
Brand new
·
Tétra
(70)
£11.93
Free postage
Click & Collect
Only 3 left
Aquarium Sponge Filter In Black - XY-2811 - New In Tatty Box - Free Postage
New (other)
·
Unbranded
£7.99
Free postage
Est. delivery
Thu, Aug 14
Fish Tank Filter Internal Filter for Small Tank Coldwater or Tropical Aquariums
Brand new
·
Unbranded
£9.72
to
£19.46
(£16.69/Unit)
Free postage
TMC Reef-Roller (M) - Manual Roller Filter
Brand new
£110.99
Free postage
Click & Collect
Aquarium Fish Tank 6 in 1 Filter Water Pump Internal Purifier Oxygeneration
Brand new
·
Unbranded
£10.79
to
£20.87
(£16.43/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.21
to
£15.82
(£11.44/Unit)
Free postage
Water Purifier Accessories Internal Thread Quick Connector Internal Wire Direct
Brand new
·
Unbranded
£1.74
to
£15.11
£1.79 P&P
Float Guard Landscape Pond
Brand new
·
Unbranded
£7.02
Free postage
Fish Tank Filter 3-in-1 Internal Aquarium Filtration 4W-35W Pump for Small Tanks
Brand new
·
Unbranded
£12.96
to
£28.32
(£28.32/Unit)
Free postage
Premium Dual Density Aquarium Filter Sponge Pad for Aquaculture Hydroponics
Brand new
·
Unbranded
£6.12
to
£21.26
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.18
to
£15.76
(£11.38/Unit)
Free postage
3 in 1 Aquarium Fish Tank Filter Internal Purifier Oxygen Pump Water Filtration
Brand new
·
Unbranded
£11.51
to
£17.15
(£17.15/Unit)
Free postage
Fish Aquarium Ultimate Tank Filter Tank Pump and Filter System for Filtration
Brand new
·
Unbranded
£10.18
to
£15.76
(£15.76/Unit)
Free postage
Click & Collect
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Filter
2 filters applied
Type: Box Filter
- Selected
Filter Location: Internal
- Selected
Type
Box Filter
Calcium Reactor
Canister Filter
Foam/Sponge Filter
Nitrate Reactor
Phosphate Reactor
Power Filter
Protein Skimmer
Sump/Refugium
Undergravel Filter
Wet/Dry Filter
Filter Location
Internal
External
Brand
All Pond Solutions
Aquael
Aqua One
biOrb
BUBBLE-MAGUS
EHEIM
Fluval
Hagen
Interpet
Red Sea
SUNSUN
Superfish
Tétra
Unbranded
Not specified
Aquarium Capacity
1-9L
10-49L
50-99L
100-199L
200-399L
400-750L
more than 750L
Not specified
Tank Capacity
2L
35 L
750L
Not specified
Condition
New
New other (see details)
Seller refurbished
Used
Price
Under £11
£11 to £25
Over £25
All Filters