Spears Mfg. Z/853-010 - SPEARS 4B 1" BLIND FLANGE SCH80 PVCSKU: Z/853-010SPEARS 4B 1" BLIND FLANGE SCH80 PVCDocumentationSpears PVC Schedule 40 Fittings (general) Submittal Data Sheet (PDF)DocumentationSpears PVC Schedule 40 Fittings (general) Submittal Data Sheet (PDF)