23_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack smoking-accessories • The double-bag system designed

• The double-bag system designed for cleanliness

Compact and lightweight

Thumb and middle finger loops keep sleeves in place

USB AC adapter

dead pests may not be visible as they often retreat to secluded areas

23_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack smoking-accessories • The double-bag system designedNordic Pure Custom MERV 13 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