A traditional fermentation airlock will allow gas to escape during fermentation. Simply fill part-way with water and affix this S-shape airlock to the fermenter with a drilled rubber stopper. Airlock consists of body and removable dust cap.
Durable food-grade plastic funnel with 4in straining screen for home or commercial use. It is composed of tough, stain-resistant nylon and includes a 4in filter screen that snaps securely in place to strain solids down to 0.03in (1mm) in size. Available in 8in, 10in and 12in diameter. Additional filter screens available. BPA-free.