Original Post
Written by
Edited November 28, 2023
at 07:24 PM
by
https://www.costco.com/3m-ultra-a...59711.html
Costco Wholesale has for their Members:
2-Pack 3M Filtrete Ultra Allergen Reduction Deep Pleat 4" MPR 1550 Filters (various sizes) on sale for
$34.99. Shipping is
free.
Note: Non Costco Members are subject to a 5% Surcharge
Sizes Available:
20x25x4
16x25x4
16x20x4
20x20x4
Features:- Various Sizes Available
- Reduces Airborne Dust, Allergens, Bacteria and Viruses
- Filtrete 4" Filters Help Maintain Airflow in Heating and Cooling Systems
- For Residential Use Only
- Change Every 6-12 Months
$10 manufacturer's savings is valid 11/13/23 through 12/10/23. While supplies last. Limit 5 per member.
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ETA: I also get a full 12 months out of each filter. My manometer tells me there's barely any more restriction after all that time. 4" filters get me better filtering *and* reduces total filter cost. Win-win. It should be the standard IMO.
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These 4 and 5 in filters have been 35-40 on sale the last 3 years
These 4 and 5 in filters have been 35-40 on sale the last 3 years
May be he/she is referring to 1"
Man 4" with that thickness will it exhaust the ac system
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A 4" pleated filter has much more surface area and can have a higher rating. This isn't true for a 1" filter.
I wonder the same. Four 4" filters would be very effective and efficient considering more surface area. And it would last longer, at least an year with heavy usage.
We gotta make sure the big wigs/fat cat executives and shareholders get their cut.😄
Check Amazon, promo material on their site says merv 12