13x21_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl-athena The Nanolux 4x4 Reflector has

The Nanolux 4x4 Reflector has a narrow 80 degrees directing the light into a 4x4 grid

Resistant strap and adjustable nozzle are using to spray from any direction with exclusive pressure regulator features

- Includes 8 foot pre-wired 120V cord

This lamp provides outstanding growth light performance over the life of the product

Please expect the same quality and performance you have come to rely on from our Pure Green media which will now be white in color

13x21_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl-athena The Nanolux 4x4 Reflector hasNordic Pure Custom MERV 14 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