Single boot works on 1.5 In, 2 In. and 3 In. pipes eliminating the need for knowing the exact size before repair. Designed to efficiently eliminate vent pipe leakage. Made of high grade plastic to withstand weather extremes. Designed for all standard roof pitches 3/12 to 12/12. Guaranteed for life of shingle. Compatible with PVC (polyvinyl chloride) and other pipe types. Size: Fits 1-1/2, 2, 3 In. Material: TPO Plastic Color: Black Base Dimensions: 9 In. x 7 In. x 11 In. Roof Pitch: 3/12 to 12/12