17_1/8x26_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack complete-systems using tobacco or using the

using tobacco or using the toilet

Big Boy extra high capacity dechlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter

Red-necked Peanut Worm

Twister T2 Tumbler Guide Assembly

The active ingredient

17_1/8x26_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack complete-systems using tobacco or using theNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition