1pk, 63mm (2 31/64" - 2.5" Nominal) pvc pipe: Outer diameter 2-1/2 inches (63mm to be exact), inner diameter 2.4 Inches, length 36 inches, pipe wall thickness 2.2 Mm, weighing only 16 ounces (1 pound). For user require high tolernce please contact us prior to purchase tube has light sratches: Pvc tube has scratches during production and handling excellent diy tube: Work for a variety of applications where a clear tube is desired enhance efficiency: This pvc pipe improves productivity while utilizing transparent visible airflow for dust removal, as rigid pvc pipes are more effective than standard dust collection hoses application: It can be used in conjunction with couplers to form extensions or foundations for dust collection systems, working with ports and hoses with a 2-1/2" inner diameter easy to fabricate: This pvc tube can be cut to length, drill a hole, or paint product video: Video instructions link: Https://Youtu.Be/w_eqmdkm5kk. You can also search "15890 2 5 inch pvc tube pipe clear fixturedisplays" on youtube to locate the video. You can also download video by following this link: Https://Www.Fixturedisplays.Com/video/15890.Avi