FLUIDMASTER
Fluidmaster B1H24 3/4" F.I.P. Water Heater Connection Brass Adapter
What makes the CPC1G Ceramic Pourable Compound special is its chemical resistance after curing.
Fluidmaster 5403P4 Water-Saving Long Life Toilet Flapper 3-Inch Adjustable Red
You will find that the 008 009 model works well for general business and industrial tasks.
Fluidmaster PRO22 1/2" Rubber Seal, Pro Series, Replacement Part
A nice detail is the rubber gasket that creates a tight, leak-proof seal.