Active Air-Timer nutrient-combo Overall Length: 56-1/2"

Overall Length: 56-1/2"

Nature's Pride fertilizer incorporates this ancient knowledge into every bucket to bring the secrets of the Amazon directly to your garden

• 100% virgin high quality material

Make Defguard part of your all-natural protection plan

Low maintenance and oil free

Active Air-Timer nutrient-combo Overall Length: 56-1/2"Deliver growth boosting CO2 with our user friendly, easy to operate system. With its programmable timer, it will automatically maintain ideal CO2 levels for optimum growth. For small to medium size areas, select the COSYS; for larger than 10' x 10' areas, select the COSYS20. To use Hydrofarm's CO2 Flow Rate Calculator, click HERE NOTE: Current COSYS & COSYS20 now come equipped with a black rubber O ring that has replaced the white plastic washer.