Organic Air 4" HEPA air filter Organic HEPA Air Filters 90% Effective The tightly woven synthetic HEPA fibers will help prevent mold, bacteria, and especially insects from entering your greenhouse. HEPA fiber doesn't sallow penetration of most things besides air. This filter will... More Details
Price: $62.11

Organic Air 6" HEPA air filter Organic HEPA Air Filters 90% Effective The tightly woven synthetic HEPA fibers will help prevent mold, bacteria, and especially insects from entering your greenhouse. HEPA fiber doesn't sallow penetration of most things besides air. This filter will... More Details
Price: $83.23

Organic Air 8" HEPA air filter Organic HEPA Air Filters 90% Effective The tightly woven synthetic HEPA fibers will help prevent mold, bacteria, and especially insects from entering your greenhouse. HEPA fiber doesn't sallow penetration of most things besides air. This filter will... More Details
Price: $111.80

Organic Air 10" HEPA air filter Organic HEPA Air Filters 90% Effective The tightly woven synthetic HEPA fibers will help prevent mold, bacteria, and especially insects from entering your greenhouse. HEPA fiber doesn't sallow penetration of most things besides air. This filter will... More Details
Price: $142.86

Organic Air 12" HEPA air filter Organic HEPA Air Filters 90% Effective The tightly woven synthetic HEPA fibers will help prevent mold, bacteria, and especially insects from entering your greenhouse. HEPA fiber doesn't sallow penetration of most things besides air. This filter will... More Details
Price: $172.67