- Innovative patented design durable materials maintain shape and move with toilet
- Fits all flanges from cast iron to inside 3 inch and all standard toilets
- Easy to stack shape and extension on bottom make stacking for deeper flanges fast and easy
- Only one seal needed for flanges 1/4 inch above and up to 1/4 inch below
- Multiple attempts at setting toilet
- Guaranteed to last
- 100% Made In USA