Buy 18x24x5 (17.75x23.75x4.38) MERV 10 Honeywell Grill Filter (2 Pack)18x24x5 (17.75x23.75x4.38) MERV 10 Honeywell Grill Filter (2 Pack) Product Description:
- Honeywell model FC40R air filter # FC40R1136
- Nominal size 18 x 24 x 5.
- Actual size 17 3/4 x 23 5/8 x 4 3/8.
- Package contains 2 Filters.
- No assembly required. Easily inserts into and out of existing return grill.
Product Description
98% efficient filtration media capturing particles as small as 0.3 microns before they can collect on your coils. High-efficiency alternative to one-inch filters. Larger media capacity allows for greater dust-holding ability. Allow a 7 depth behind grill to provide space for the deeper filter and air flow through filter.
Customer Reviews
Most helpful customer reviews
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By Tommy Dee
These are only available on Special order at Home Depot/Lowes and cost more money, I always buy 2, people will tell you they last 12 Months, I like to change them every 7/8, when they start to look dirty, so by buying 2, I always have over a years supply and Amazon always has the best price
0 of 0 people found the following review helpful.Seems pricey... But it's really efficient and economical in the long run.
By Jesse Baynard
These filters work in systems that use 18x24x1 filters, and have at least a foot of air space (5" for the filter plus 7" clearance). My air handler is above the filter space so I have about 3 feet of space, which is plenty. These filters have a lot more surface area and hold a lot more dust and debris than standard 1" filters, so the AC doesn't get overloaded from poor airflow. Plus you can keep them in for up to a year (Although I like to change mine out every 6 months). When I was using the premium 1" filtrete filters my AC handler wasn't getting enough air flow, if I didn't switch it every 30 days, so I would get too much moisture building up causing mildew to form. Now that I've switched, the air is clean and I don't need to worry about switching out the filter all the time. So even though they cost 4-5 times as much per filter, you get to keep them 6-12 times longer... a net win for sure.PROS+ 6-12 month life, less frequent changing+ MERV 10 is about the best you can buy outside of a sealed system+ Clean air+ Great air flow+ 5" of filter for 1" systems+ Can be used in most systems that use 1" filters+ Net savings over similarly efficient 1" filtersCONS- A little spendy up front- May be too easy to forget to change since you're not doing it as often
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