I used one of the tiny (1mm x 4mm) o-rings to replace the broken one on a Medela breast pump. It fit perfectly and was exactly what I needed. It's worth buying the whole kit, not more expensive pump spares from the manufacturer! Very handy, now I always have more.
Enhance Efficiency with Sealer Replacement Element for Impulse Sealers in Hydraulics, Pneumatics & Plumbing - Seals & O-Rings
9 Review
π₯ Rutland Grapho Glas Gasket Pellet Cmt Kit
3 Review
Polyester Polypropylene Strapping Tensioner Windlass
5 Review
π Orion Motor Tech Automotive Assortment
3 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
1 Inch Beduan Brass Electric Solenoid Valve, 12V Normally Closed Air Valve For Water, Gas, Fuel, And Oil
10 Review
DIGITEN DC 12V 1/4" Inlet Feed Water Solenoid Valve Quick Connect N/C Normally Closed No Water Pressure
14 Review