XPOWER Stage 4 HEPA Filter for AP-1800D Air Purifier System 1000 Watt CMH Grow Lights OD trays are listed by

OD trays are listed by their "outside dimensions" and ID trays listed by their "inside dimensions"

enhancing growth and creating healthier flowers and fruits

Oxygenates water

while it simultaneously develops a very extensive root system

per acre in early spring or post-harvest

XPOWER Stage 4 HEPA Filter for AP-1800D Air Purifier System 1000 Watt CMH Grow Lights OD trays are listed byStage 4 HEPA Filter for AP 1800D Air Purifier System Compatible with the XPOWER AP 1800D Portable HEPA Air Filtration System, this 11. 5 inch thick, professional HEPA filter captures contaminants such as bacteria, allergens, mold and even 0. 3 sized sub micron particles at a rate of 99. 97%. Several pre filter air scrubber stages ensure a long life of this filter. Efficiency rating up to 99. 97% against 0. 3 micron particles Compatible with XPOWER AP