Filter bag XL. These polypropylene filter bags with built-in filter strips create and maintain the perfect environment for growing your shrooms. The micro pores of the filter material make it so that CO2 can vent but the moisture is kept inside and contaminants kept out for optimal shroom growth. These XL-sized filter bags are autoclavable with each bag having 4 filter strips.
FILTER BAG XL: BIG FILTER BAGS FOR OPTIMAL SHROOM GROWTH
Suitable for use with 2100ml kits