Red Disc Seal Leak Test, Leak Test Under Constant Stream of Water

This leak test shows that the disc and the seal working together by keeping the water out of the cup. Very sensitive moisture paper is placed inside the cup to show that Red Disc Seal works, paper stays dry throughout thetest.

[@jennyfdz4]

Hello - we’re in Canada. How can we get your red seal disc?

[@JustForYouDiy]

Unfortunately, it’s not sold in Canada.