" The Metal lid features a rubber self healing injection port, a high quality .22 micron filter, Used for Mushroom Liquid/Spawn Cultivation, Autoclavabl e & Reusable. \r\n \r\n <span style=\"font-family: verdana, geneva; font-size: larg
" The Metal lid features a rubber self healing injection port, a high quality .22 micron filter, Used for Mushroom Liquid/Spawn Cultivation, Autoclavabl e & Reusable. \r\n \r\n <span style=\"font-family: verdana, geneva; font-size: larg