Active Air-Air Duct Non Insulated Terp Derp Drain connection: ¾" MNPT Threaded

Drain connection: ¾" MNPT Threaded

The 8-16 mm uneven pebbles provide stability and the unique uneven shape is an ideal surface for roots and beneficial bacteria

We have seen 2% increases in Terpenes using B3 in small amounts weekly

The Hydro-Pack will stimulate an optimal root development and protection by using organics in your hydro system

Active Air-Air Duct Non Insulated Terp Derp Drain connection: ¾" MNPT ThreadedRely on Active Air non insulated air ducting with your reflectors, exhaust systems, and other systems. Features Durable construction for lasting performance Dual layer thickness 2 stainless steel clamps included 25' of ducting Can withstand temperatures of 4F to 175F AS 4254 1995 fire rating