"A" Company, Inc. is the exclusive supplier of its patent-pending Over-Fitting line of PVC & ABS over-hub couplings, used for residential and commercial DWV applications and specifically designed as an alternative to rubber repair couplings, flow-restricting insert couplings and expensive reaming tools for in-line plastic pipe repair and renovation. "A" Company is also a northern-midwest representative for the Trap Guard™ line of trap primer alternatives from ProSet Systems. Contact "A" Company for deep discounts on the Trap Guard™ line's list prices.