The No. GPSD Goof Proof Square Drain is a 4" square shower drain. This drain has a tileable insert top (metal grates not available) with a female reciever which permits attaching the Quick Pitch Float Sticks directly to the drain. This drain can be used with any waterproofing method including Roll-on, Vinyl, and Sheet Membrane. 

The No. GPSD Goof Proof Square Drain contains the following items: 

• 1 GPSD Tileable Square Drain
• 1 Drain Flange Assembly with Threaded Clamping Ring
• 1 Threaded Riser and Insert
• 1 Hair Screen 
• 1 Insert Removal Tool