Viton is the fluoroelastomer of choice for harsh and high performance environments. It was developed to withstand high temperatures and chemical attack with degrading - leading to long life and safety in application.
These O-rings are manufacturered to Food Grade standards and make ideal replacements for the O-rings on your driptips but due to variations in tip size you are advised to double check the size you need before ordering.
The dimensions of the O-rings are: 5.28mm inner diameter x 1.78mm cross section.
They are supplied in packs of 10 pieces.