Valex: Mini ball valves. Size that's small. Features that aren't.
Stainless Steel (316) Mini Ball Valve, 1,000 PSI (WOG)
Amazon.com: Beduan 1/4" Brass Mini Ball Valve NPT Female x Male Shut-Off Valve : Industrial & Scientific
Axis Valves & Gauges | DKD & Associates
Time Use Durable Mini Valve, Mini Valve Female, Home For Pipes - Walmart.com
Stainless Steel (316) Mini Ball Valve - FxF NPT
Amazon.com: Mini Float Valve 1/2 Water Float Valve with Adjustable Arm Automatic Fill Valve Kit for Livestock Water Tank Fountains, 2 Pieces : Pet Supplies
Series MV Mini Brass Ball Valve | Dwyer Instruments
Mini-Check (Pipe Threads on Both Ends) - Check-All Valve Manufacturing Company inline spring check valve
Valex: Mini ball valves. Size that's small. Features that aren't.
Amazon.com: DERNORD 1/4 inch Stainless Mini Ball Valve NPT Female x Male Thread SUS316 : Industrial & Scientific
1/8" - 1/4" Brass nickel plated Mini valves | Mini valves s.39 NPT forged micro | RuB