LDR 506 6264 PVC Slip Extension, 1-1/2-Inch X 12-Inch. Slip Extension Tube. 1 1/2-Inch x 12-Inch. PVC construction. Includes nut and washer. Limited Lifetime Warranty. * Slip Extension Tube * 1 1/2-Inch x 12-Inch * PVC construction * Includes nut and washer * Limited Lifetime Warranty