20x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers This system combines our Phantom

This system combines our Phantom 6" air-cooled reflector with a Quantum 400W dimmable 120V/240V Digital Ballast and an Xtrasun 400W High Pressure Sodium lamp

Studies on raspberry crop yields performed by California Polytechnic State University revealed a 10% increase in crops treated with this fertilizer

GE Lucalox PSL HPS 750W lamp features:

- Power coated steel

storage solution

20x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers This system combines our PhantomNordic Pure Custom MERV 8 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