11 1/4x23 1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Grow Light Ballasts This strong yet breathable fabric

This strong yet breathable fabric helps keep you cool to prevent heat stress

Use Lucky Dog for rooted cuttings and young plant starts for both indoor and outdoor cultivation

This combination makes the meter particularly designed to withstand harsh environments such as fertilizer solutions

Easy assembly

11 1/4x23 1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Grow Light Ballasts This strong yet breathable fabricNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters