Bulk Head Short with Valve and Flare env-filter Cultivation Nation®Seventy Thirty Growing Media

Cultivation Nation®Seventy Thirty Growing Media is great for use with customized feeding schedules in indoor and outdoor containers

Join our ecosystem of controllers and grow equipment including fans and lights

It also fights fungal problems like powdery mildew

50 mylar bags

Bulk Head Short with Valve and Flare env-filter Cultivation Nation®Seventy Thirty Growing MediaBulk Head Short with Valve and Flare This bulkhead with attached valve is perfect for passing through thin walls in vacuum applications such as vacuum chambers, the maximum recommended wall thickness is 0. 25". The gasket design is only meant to hold vacuum, it is not intended to hold pressure. The hole diameter for installing the bulkhead is 5 16". The flare connection is 1 4" JIC.