22x29x1 MERV 7 AC Furnace Filters 6 Pack spl_hgc • Highest output of PAR

• Highest output of PAR light (2100 μmol/s) promotes photosynthesis

Bluelab pH Down Solution is formulated to the highest standards

B2 is designed for absolute consistency and control

* 3 Individual Heated Shelves Plus 3 Removal Pans

22x29x1 MERV 7 AC Furnace Filters 6 Pack spl_hgc • Highest output of PARNordic 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