Product reviewsGenuine Honeywell FC100A1037 HVAC Replacement Air Filter 20x25x4 Merv 11

Very Pleased with the Performance of this Filter

My heat pump is 5 ton. I've used this same filter for a couple of years. I've tried other filters with a higher rating, hoping to further improve the air quality in the house, but they were too restrictive to the air flow. I get about 3 months service with this filter before having to put a new one in. Note: I also have a Honeywell filter cabinet, so this filter is a perfect size for it. Different brands of filters, while the "called" size may be the same, are often slightly different in dimensions.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

Best Filter on Market

There are cheaper filters available but your furnace filter is one of the most important parts of your furnace and regular changing of your filter cuts down on dust.

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

Excellent product but wish they weren’t so expensive

Up holds summer ac and winter heating only change filters twice a year. Others are so cheap they bend or collapse when installed

Verified purchase:  Yes | Condition: new | Sold by: samedaysupply

Honeywell filter

great product at a great price perfect fit . Would highly recommend! Very satisfied. Will buy again.

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

Excellent buy - HVAC company santed twice the price.

Long lasting, hold shape, easy to install.

Verified purchase:  Yes | Condition: new | Sold by: samedaysupply

packed well quick ship.

The real thing. I didn't want a cheaper copy.

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

Heater filter

Great product

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

Good quality item for a reasonable price.

Verified purchase:  Yes | Condition: new | Sold by: samedaysupply

Furnace filter

Product was caved in on 2 sides.

Verified purchase:  Yes | Condition: new | Sold by: filtersfast

This is the correct filter

Actually fits in furnace vas it should. Other cheaper filters do not fit in the furnace without problems.

Verified purchase:  Yes | Condition: new | Sold by: samedaysupply