Add to Cart Quick view Richards IU-1/2 1/2" Black Malleable O-Ring Insulating Union Richards Manufacturing Co. MSRP: Now: $13.08 Was: Richards IU-1/2 1/2" Black Malleable O-Ring Insulating Union Features Insulating unions protect against stray or induced currents to prevent galvanic and electrolytic corrosion 150-175 lb working... FMBUI05 MSRP: Now: $13.08 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $13.08 Was: Subtotal: Add to Cart