Yes they are expensive. But they work. Rubber o-rings don't seal as well as these neoprene o-rings and rubber isn't durable. Given all the pros and cons, it seems that this collection can't get any better. Good range of sizes and quantities of each selection.
Samsung DC64 00802A Diaphragm: Durable and Efficient Replacement Component
4 Review
π Orion Motor Tech Automotive Assortment
3 Review
Enhance Efficiency with Sealer Replacement Element for Impulse Sealers in Hydraulics, Pneumatics & Plumbing - Seals & O-Rings
9 Review
MinGlas Rope Seal: 1/2" X 8Ft Fiberglass Knitted Rope For Stove, Boiler, Furnace & Oven Door Sealing Gasket - Soft Silky & Easy Install!
4 Review
High-Quality QiiMii Stainless Steel Sanitary Clamp With Silicone Gasket - 2 Inch, Single Pin Tri Clover Design
16 Review
12V Brass Solenoid Valve, 3/4" Electric Air Valve For Water, Air, Gas, Fuel And Oil - Normally Closed By Beduan
10 Review
6 Pack Miahart Adjustable 304 Stainless Steel 4 Inch Hose Clamp Duct 91Mm-114Mm Worm Gear Pipe Clamp For Automotive, Mechanical Agriculture.
18 Review
Vacuum cleaner Dreame V9 Global, white
145 Review