Culwell P3 Premium Property Saving Toilet Flange with PVC Surface Seal Glue-in and White/Blue Ring, 3-Inch Premium engineered design- commercial/residential- new install, renovation, remodeling- Saves thousands of dollars in property repairs Solvent welds over 3" schedule 30 or 40 PVC (White) DWV piping - a solid flat anybody head design for a level fit and surface sealing propertied Blue nylon clamping ring with superior strength and durability- lab tested withstanding over 500 lb. pullout force from each closet bolt 2 rubber sealing gaskets w/nylon clamp ring ensures tight seal while securing closet bolts in place- 8 counter sunk screw holes for floor attachment Made in USA - patented - certification: UPC, compliance: IAPMO ICG 285, NSF/ANSI 14, ASTM D2665/nylon ring ASTM D4066