
- ASTM D2657
- Heater bushing available in 1/2 in, 3/4 in, 1 in, 1-1/4 in, 1-1/2 in, 2 in, 3 in and 4 in sizes
- Made from a pure virgin polypropylene resin, without added plasticizers, pigments or reworked materials
- Interior walls remain smooth in virtually any service
