10x36x1 MERV 7 AC Furnace Filters 6 Pack LUXX Bar 6) to balance the pH

6) to balance the pH in your substrate

ARBICO Organics Good Bug Blend beneficial insect habitat will attract and support your beneficial insects and pollinators including hummingbirds and butterflies

Used in higher hanging applications

Curved narrow edges allow for tighter grow space

10x36x1 MERV 7 AC Furnace Filters 6 Pack LUXX Bar 6) to balance the pHNordic 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