10x36x1 MERV 7 AC Furnace Filters 6 Pack LUXX Bar Curved narrow edges allow for

Curved narrow edges allow for tighter grow space

The Original will provide a 4x4 foot or 128 cubic foot space with CO2 for 6 months guaranteed

The Bluelab Leap pH Probe is suitable for use with all Bluelab products that use a BNC connection

The first and ONLY complete STARTER PACK on the market with FULL size retail bottles

10x36x1 MERV 7 AC Furnace Filters 6 Pack LUXX Bar Curved narrow edges allow forNordic 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