02 Apr Slotted Well Casing Posted at 16:15h in Well Casing by Luke Guinn 0 Comments 0 Likes Well Casing Flow Rate Twenty + Plus PVC Well Casing Slotted Well Casing Slotted Well Casing 20 Foot Lengths with 0.25 Spacing Jet Stream Twenty + well casing is produced to ASTM F-480 specifications from polyvinyl chloride material type 1, grade 1 & 2, and bears the NSF Seal of Certification. Tech Specs & Downloads Threaded Drop Pipe (PDF) Well Casing – Slotted (PDF)