Flowmaster 3 A/T is a 3” removable top drain that features a double wall base and a snap in top(Aluminum). When installing this drain the tops are staggered past the joints making the joints very rigid. Because the Flowmaster 3 A/T Deck Drain tops are removable this drain is easy to clean and the tops can be replaced if necessary.

It is recommended that you drill and pin (3/8" rebar) the base at 3 foot intervals to stabilize againts any movement in the concrete slab.

Full range of drain fittings available. Drain Fittings