Why don't they ever have deals on 20x25x4, 5 or, 6?
No love for 14x30.
Higher MERV rating also means less air flows through, which can have an impact on AC/heater performance. They also need to be changed more often since they catch more. Personally, I prefer a rating of at least 11 or allergens will give me grief. And I have to spend time dusting far less often with 11+.
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The link to the 20x30x1 hasn't worked since the start of the sale for the MERV11 FPR 8-9. I have been trying for the past 3 days. You only get an error code. It only works on the MERV 13. Too high for my AC. The best and better are dithered out for me. I also tried surrounding stores.
I've been using FPR9 in my furnace and I need 14x25x1. Is it better to move up to FPR10? Some say it will cause furnace damage in the long run due to thicker material. Or should I move down to chaper/thinner FPR7? Any suggestions will be appreciated!
They have sizes beyond those listed:
1. Follow any link to grade you want
2. Use drop down to select your size
Pickup (ship to store) or free shipping
HTH
you sure about that? According to the packaging on this product, these 11s are only the 2nd from the "worst" / 'bottom' in terms of what they can filter out. There are two levels above it, and just one below. Can you explain your thoughts on why Merv 11 is way too high?
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1. Follow any link to grade you want
2. Use drop down to select your size
Pickup (ship to store) or free shipping
HTH
=(
you sure about that? According to the packaging on this product, these 11s are only the 2nd from the "worst" / 'bottom' in terms of what they can filter out. There are two levels above it, and just one below. Can you explain your thoughts on why Merv 11 is way too high?