13x21.5x1 Exact Size Air Filter Reflectors & Grow Lights Includes four 10-32 screws

Includes four 10-32 screws

Users can blend plant material with ice water or dry ice (without water) to assist in the separation process

Larger pumps (250 GPH-1000 GPH) have a ceramic shaft

1-year limited warranty

13x21.5x1 Exact Size Air Filter Reflectors & Grow Lights Includes four 10-32 screwsNordic Pure Custom MERV 10 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