ONA Air Filter is a portable ventilation system that neutralises strong odours from your indoor garden using the permanent and effective odour elimination of ONA Blocks. Providing continuous air filtration of your indoor gardens air exhaust. Just attach to your ventilation system, insert the desired number of ONA blocks.
Available in a number of different diameters to cater for your hydroponics set up: 4, 6, 8, 10 & 12 inch ducts.
