2PCS Home Brew Stoppers Silicone Plug With Hole for Airlock Valve Bubbler Brew Food Grade Silicone Rubber Stopper White No.9

Features:
Silicone rubber has excellent heat resistance, cold resistance, dielectric resistance, ozone resistance, resistance to atmospheric properties and excellent physiological inertness, non-toxic, tasteless, non-corrosive, anticoagulant, and the body compatibility is good, can Subjected to harsh disinfection conditions.

Details:
Material: food gradesilicone
Weight:Size 9:63g
Size:
Size 9: upper diameter 4.1cm, bottom diameter 3.7cm, height 3.7cm
Hole diameter: 8mm

Note:Do not use it with veryhigh temperature












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