Mushroom Grow Bags Injection Port Substrate Mycelium Seeds .2 Filter 4"x3.5"x19"

Mushroom Growing Bags Mycelium Substrate High Temperature W 4" x D 3.5'' x L 19” Perfect for grain spawn, rye grain, wood chips, and various substrates. 4" Wide 3.5" Gusset 19" Long Ideal size to grow mushroom bags at home, fits perfectly into a Pressure cooker, and the transparent mushroom bags makes it easy to observe the growth of the mushrooms and it is easy to be stored. Specifications: Color: Transparent Material: Polypropylene Thickness: 0.06mm Air vent window size: 2” x 2” Air vent window aperture: 0.2um Super Durable Made from a thick Polypropylene Material: this thick polypropylene material will still not easy to crack or break, provides 100% protection of your mushroom. Temperature resistant Will easily hold up in temperatures of up to 130 C/266 F in a pressure cooker. Advanced Filtration 2” x 2” filter patch, 0.2 Micron Filter - allows for gas exchange while keeping contaminants out. Easily to Seal You can easily seal these bags with either a heat sealer or just tie them off with a zip-tie. Note: 1.Please allow 1-5mm error due to manual measurement. 2.The colors may have different as the difference display. ALL SALES ARE FINAL ! NO RETURNS! NO REFUNDS! Fast Shipping from the U.S