Premier Tech Pro-Mix BX Growing Medium with Mycorrhizae, 3.8 cu ft (30/Plt) 2 x 2 Grow Room LED Coco Flexible installation with 10-inch flanges:

Flexible installation with 10-inch flanges: Designed with 10in flanges for a secure fit in your ventilation system

or anyone serious about plant health

chemicals and contaminants through its patented FDA and NSF certified bioceramic technology

(1) Lotus Pro Series Boost 18oz

Premier Tech Pro-Mix BX Growing Medium with Mycorrhizae, 3.8 cu ft (30/Plt) 2 x 2 Grow Room LED Coco Flexible installation with 10-inch flanges:Pro Mix BX Mycorrhizae is a general purpose peat based growing medium containing, a beneficial mycorrhizal inoculum (Glomus intraradices). These microscopic fungi attach to and colonize the root systems working in symbiosis with plants. It benefits plants by increasing water and nutrients acquisition (especially Phosphorus, Copper and Zinc). This symbiotic relationship between fungi and plant, results in an overall improved plant growth. Pro Mix BX