10 Apr Twenty + Plus PVC Well Casing Posted at 14:54h in Well Casing by Luke Guinn 0 Comments 0 Likes Well Casing Flow Rate Twenty + Plus PVC Well Casing Slotted Well Casing Twenty + Plus PVC Well Casing Slotted BE Jet Stream Twenty + well casing is produced to ASTM F480 specifications from polyvinyl chloride material type 1, grade 1 & 2, and bears the NSF Seal of Certification. Tech Specs & Downloads Well Casing – Slotted (PDF)