UltraClearPipe Sch 40 Clear Acrylic Pipe, 3/4-inch x 4-foot, Qty 1 Complies With Schedule 40 Plastic Pipe Standards.Can be used with standard schedule 40 PVC slip fittings. Nominal Diameter: 0.75 Inches Actual Diameter: 1.05 Inches Actual Length: 48.25 Inches Inside Diameter: 8.04 Inches Wall Thickness: 0.123 Inches Use acrylic solvent weld (glue). Use As T5 Fluorescent Lamp Cover: Ideal as a waterproof, submersible lamp cover for T5 Fluorescent Lamps. Product Inspection: Ideal for liquid product inspection in manufacturing or tankwater clarity in aquaculture, algaponics, algae culture or aquaponics. Can Be Threaded: ID can be threaded with a PG16 tap (first ream to .824"ID).