Comparison : Item # P52S1014SW4004N, 150# Schedule 40 - Socket Weld Raised Face Flange, 304 Stainless Steel
Item # P52S1014SW4006N, 150# Schedule 40 - Socket Weld Raised Face Flange, 304 Stainless Steel
Item # P52S1014SW4010N, 150# Schedule 40 - Socket Weld Raised Face Flange, 304 Stainless Steel
Item # P52S1014SW4012N, 150# Schedule 40 - Socket Weld Raised Face Flange, 304 Stainless Steel
Item # P52S1014SW4014N, 150# Schedule 40 - Socket Weld Raised Face Flange, 304 Stainless Steel