GeoComfort 18x18x1 Geothermal Filter Compatible Replacement

Made in USA
  • SP-18x18x1-P11M6

  • 5 stars
  • (11)
List Price $91.98

Our Price: $45.99

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Made to order (Ships in 1 business day)
Replace every 3 months
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  • Product Overview
  • Reviews
This item is made to order, non-returnable, and ships within 1 business day. Please check the actual dimensions listed below prior to ordering.
MERV 11 18x18x1 Furnace Filter Overview
  • MERV 11 rated per ASHRAE test standard 52.2
  • Actual dimensions of the filter are 17.75" x 17.75" x 0.75"
Compatible Geothermal Heat Pumps / Heating & Cooling Systems
OEM Brand OEM Series OEM Model OEM Filter Part Number OEM MERV Value
GeoComfort Compass Series Horizontal GS018 M1118181-6 11
Compass Series Horizontal GS024 M1118181-6 11
Compass Series Horizontal GT024 M1118181-6 11
Compass Series Horizontal H018 M1118181-6 11
Compass Series Horizontal H024 M1118181-6 11
Compass Series Horizontal H026 M1118181-6 11

0 out of 0 people found this review helpful.
5.0 Stars

18x18x1 Filters

By Male in 60s and over from Council Bluffs, IA on 9/7/2022 11:02:22AM

My second purchase with his company and I would not do business with any other company. All filters continue to be one of the best consumer buys in the marketplace today. They have the exact size filters, so you do not have cut them down to size. Most stores I have checked with do not even carry 18x18x1 filters. All filters inform you when replacement is necessary making replacement easy and simple. Most of all, the product lasts. High quality design and materials provide lasting protection to you furnace. Best company around to do business with. I wish there were more companies like All Filters out there as we could then spend efficiently on the things such as filters that we need.

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0 out of 0 people found this review helpful.
5.0 Stars

Great product!

By Female in 60s and over from Brooksville, FL on 3/31/2022 5:09:03AM

Received on time and well packaged. Appear to be well made. Good price for this custom size. Expecting good results.

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0 out of 0 people found this review helpful.
5.0 Stars

Great filters & value

By Woman in 60s and over on 2/20/2020 10:24:28AM

We've been using these filters for a couple years, quality product, good value and quick delivery.

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0 out of 0 people found this review helpful.
5.0 Stars

Very Good Quality Filters

By Man in 60s and over on 4/21/2020 9:25:45AM

This was my second time ordering from them and again I was very pleased with the quality of the product and the pricing was much better than the big box stores for a comparable product. They process and ship the orders very quickly.

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0 out of 0 people found this review helpful.
5.0 Stars

All Filters Furnace Filters

By Male in 60s and over from Council Bluffs, IA on 3/7/2024 8:42:47AM

If you are looking for furnace filter that requires no cutting to size and provides high quality filtration, then All Filters is the place for you. Economically priced and high construction make this filter the one of choice.

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0 out of 0 people found this review helpful.
5.0 Stars

Work great!

By Woman in 60s and over from Fernandina Beach, FL on 2/19/2021 8:11:07AM

Good quality and value.... been using forever two years.

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0 out of 0 people found this review helpful.
5.0 Stars

Clean Air

By Man in 60s and over from Vero Beach, FL on 9/4/2021 8:33:26AM

System runs great with these high quality filters!

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0 out of 0 people found this review helpful.
4.5 Stars

great reminder, quick delivery

By Man in 60s and over from raleigh, NC on 8/18/2020 12:47:16PM

great quality, good reminder

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