Costco has various 3M Filters on sale, through 11/4/18. Note the 2200 is 4-pack online at costco.com whereas in warehouse, they only sell the 3-pack for $39.99 – and may be on sale for the usual $10 OFF.
- 3M Ultra Allergen Reduction Deep Pleat Filter 2-pack (20" x 25" or 16" x 25") $38.99 (orig $49.99)
- 3M 2200 Series Filtrete Filter 4-pack (various sizes) $45.99 (orig $59.99)
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Costco Google Express: may be cheaper for new G/E users w/ FALLSAVINGS promo code
- 3M Filtrete Ultimate Allergen 2200 Filtration Level Filters, 20" x 20" X 1" – 3 count $32.34 (orig $42.34)
- 3M Filtrete Elite Allergen Healthy Living, 16" x 25" x 1" – 3 count $32.34 (orig $42.34)
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Don’t forget 3M’s rebate (note: multi-packs are considered "one" unit for the rebate)
https://multimedia.3m.c