Comparison : Item # P52S1016WN4004N, 150# Schedule 40 - Weld Neck Raised Face Flange, 316 Stainless Steel
Item # P52S1016WN4006N, 150# Schedule 40 - Weld Neck Raised Face Flange, 316 Stainless Steel
Item # P52S1016WN4010N, 150# Schedule 40 - Weld Neck Raised Face Flange, 316 Stainless Steel
Item # P52S1016WN4012N, 150# Schedule 40 - Weld Neck Raised Face Flange, 316 Stainless Steel
Item # P52S1016WN4014N, 150# Schedule 40 - Weld Neck Raised Face Flange, 316 Stainless Steel