Product name: O-ring (silicone sealing ring)
Product material: food grade silicone
Product specifications: 243mm*7mm means inner diameter 243mm, wire diameter 7mm, then Outer diameter=243+7*2=257mm, and so on;
Features:It has good sealing, deformation resistance, high temperature resistance (200), low temperature resistance (-35), moderate hardness (55 degrees), wear resistance, waterproof and insulation.
Package includes: 1pcs