UNI-FLEX™ Roof Drain with Overflow
Accommodates single-ply, modified membranes and BUR systems. Comes with nylon round grate with screw kit. Two expansion couplings. Two clamping rings with screw kit. Deck screw kit. Dimensions: Drain/Flange” 20-1/4″ x 27″; Drain Basin: 9-1/4″ x 9-1/4″. Overflow grate included. Made in the U.S.A.