Kootenay Filter KFI 800 Green Line Carbon Filter with Flange, 6" - 470 CFM Pest Control & Garden Care Previously they were rated at

Previously they were rated at a higher temperature and humidity level based on hydroponic industry standard usage (86°F

Don't worry

Light Delivery System

Calcium in CYCO Grow A is derived from calcium nitrate for a source of readily available calcium to form thicker cell walls enabling strong stem

if that is the case a water filter is highly encouraged

Kootenay Filter KFI 800 Green Line Carbon Filter with Flange, 6" - 470 CFM Pest Control & Garden Care Previously they were rated atVirgin activated carbon made from renewable resources The Green Line is Kootenay Filter Inc.s Lightweight Filter Line. KFI is proud to have a product that uses only virgin activated carbon made from renewable resources. The proven design, manufacturing process and a production staff with years of experience make our product one of the best filters on the market. Our Light line filters are available with flange sizes 4" 14" rated for 250 3250 CFM . Our