Specification Brand : Bac-Flo Unlimited, Inc. BulletPoint1 : Made of clear schedule 40 PVC pipe BulletPoint2 : 3/4" pipe diameter as used in any reputable backflow traiing course BulletPoint3 : Easily gets water level above check valve for accurate test results BulletPoint4 : Built-in swivel connection for attaching at any angle Color : Clear ExteriorFinish : PVC ItemName : Sight Tube Schedule 40 PVC ItemTypeKeyword : plumbing-pipes Manufacturer : Bac-Flo Unlimited, Inc. Material : Polyvinyl Chloride ModelNumber : 28874ST NumberOfItems : 1 PartNumber : 28874ST ProductDescription : Durable sight tube for testing double check valve assemblies using USC test procedure. Built using 3/4" pipe for easy compensating, as used in USC FCCCHR and other reputable backflow training courses. ProductSiteLaunchDate : 2015-01-06T08:00:00.000Z UnitCount : 1 UnspscCode : 40141700