Mission Standard - Calder Style Unshielded Sewer Couplings - Brochure

Flexible, “Calder Style” unshielded sewer couplings connect Clay, Type O Clay, Type 1 Clay, Extra Heavy Cast Iron, CIT, Plastic, Schedule 40 Plastic, Thinwall Plastic, Trailer/Drain (EPDM) or Steel pipe in sanitary systems. For non-pressure, gravity flow applications only. Recommended for underground installations. Primarily used in the Western United States. Easy to install and reuse. Multiple sizes from 3” to 8”.