Amazon.com: TANA 4 Inch Full Port Ball Valve Stainless Steel 304 Heavy Duty for Water, Oil, and Gas with Blue Handles (4" NPT) : Industrial & Scientific
Lever Ball Valve 4 Inch Female Thread
Legend Valve - Miniature Manual Ball Valve: 4" Pipe, Full Port - 36897817 - MSC Industrial Supply
Amazon.com: DAN SPEED 3/4" NPT Female 316 Stainless Steel Full Port Ball Valve Vinyl Handle WOG1000 : Industrial & Scientific
4" Full Port Ball Valve - 2-Piece, 304 Stainless Steel, NPT
2-Piece Stainless Steel Manual Ball Valve - 1/4" up to 3" NPT
1/4-in Fnpt x 1/4-in Fnpt Ball Valve in the Ball Valves department at Lowes.com
Ball valve stainless steel 3/4 inch DN20 with hand lever - 1 pieces HPControl
COLSON 1/2 Inch Ball Valve, 3/4 Inch BSPP Female, SS316, 414 Bar, Panel Mount, Locking Device - Semco Maritime