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Coupon Abbreviations
  • SC = Store Coupon
  • MC = Manufacturer Coupon
  • SS = Smart Source
  • RP = Red Plum
  • PG = Proctor and Gamble
Coupon Terms
  • WYB = When You Buy
  • B1G1 = Buy One Get One Free
  • .75/1 = 75 cents off one item
  • .75/3 = 75 cents off three items
  • EXP = Expiration Date

Going Nuts? I can help you understand coupon terms and abbreviations

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honeywell air filters

Today only, Home Depot has a special deal where you can get 40% off select Honeywell Air Filters! You can buy a 4-pack of Honeywell Air Filters for just $22.99 (reg. $42)

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20 in. x 20 in. x 1 in. Allergen Plus Pleated FPR 7 Air Filter (4-pack) $22.99

You can get FREE shipping on these orders or pick them up in the store for FREE. There is a limit of (5) per order.

Deal ends at midnight today.

Trying to decide which ones to buy?

Here’s what I found so we can all make more informed decisions when stocking up on air filters:

Air Filter Size
The easiest way to find out what size you need is to go check the one you have right now. I wrote it down and emailed it to myself just in case I ever forget. Now I can look it up instead of going back through the trouble. This is especially important if your AC unit is in an out of the way place like a crawl space or basement.

FPR Rating

In doing my homework, I learned that you could sort the air filters by their FPR rating, but apparently this is a metric that Home Depot uses try to compare the products. It really doesn’t mean a whole lot though and you are better off choosing based on the MERV index.

MERV Rating
Merv stands for minimum efficiency reporting value. This is the industry rating that tells you the level of filtering you can expect. The higher the number, the more efficient it is at removing particles from the air. The scale is 1-16.

Anything above an 8 is considered a “commercial” application so don’t let them up-sell you on a more expensive filter with a MERV of 12 because it’s not really going to do much for you.

I needed a 16x25x1 air filter and there were 15 options to choose from on HomeDepot.com. After comparing the price per filter to the MERV and FPR ratings, I found that although the price seemed to go up with FPR rating, the MERV ratings on most of the filters are actually the same… I could choose a MERV 6 for $3 a filter or a MERV 11 for $5-$8 per filter. I’ll let you guess which one I picked!

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