17_3/8x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Light Movers Hangers Recommended Cooling BTUs – 2

Recommended Cooling BTUs – 2

(1 tsp is approximately 44 tsp/44 gal water/acre) – Recommended for preventative treatments before signs of infestation

Max Output: 4LPH / 1GPH

This Multi Flow Bubbler comes with 4 color-coordinated interchangeable inserts 2 (YELLOW)

due to its mode of action

17_3/8x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Light Movers Hangers Recommended Cooling BTUs – 2Nordic 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