Heavy Duty Self Healing Injection Port 1/2" Gray (25)

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Heavy Duty Self Healing Injection Port 1/2" Gray Features

• Lasts through repeated use

• Autoclave and pressure cooker safe

• Medical grade rubber

• Fits 1/2 inch hole perfectly

• Great for Mushroom Liquid Culture or Grain Spawn jar lids

About Heavy Duty Self Healing Injection Port 1/2" Gray

Heavy duty self healing injection ports made from medical grade rubber. They are large and extra thick autoclavable rubber stoppers, which last ten times as longer than smaller, thinner versions. They stand up remarkably to repeated sterilization runs in the autoclave or pressure cooker. Use a 1/2 inch forstner drill bit to make holes for these.