Compatible with : DEA Universal End Adapter for Deck Drain fit for Stegmeier Channel Drain, Frontier Deck Drain, Deck Drain and Treadmaster Commercial Drain, fit 1 1/2" schedule 40 pipe. Compatible with : DEA Universal End Adapter for Deck Drain fit for Stegmeier Channel Drain, Frontier Deck Drain, Deck Drain and Treadmaster Commercial Drain, fit 1 1/2" schedule 40 pipe.