Specification Brand : Wheaton BulletPoint : VALVE RELEASE PRESSURE BulletPoint1 : To use it, screw a sample bottle into the head and lower to the desired depth BulletPoint2 : Pull the cable at the top of the handle which will lift a spring-loaded plunger from the bottle opening, allowing liquid to enter through four 5/8" diameter holes BulletPoint3 : Release the cable when the bottle is full to reset the plunger BulletPoint4 : To use it, screw a sample bottle into the head and lower to the desired depth Capacity : 1000 milliliters Color : Clear ExternallyAssignedProductIdentifier1 : 712324627701 ExternallyAssignedProductIdentifier2 : 0712324627701 ItemName : Wheaton Science Products 990400 Grab II Sub Surface Fluid Sampler with 12' Aluminum Pole, 1 L Graduated Glass Sample Bottle and Cap ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-samplers Manufacturer : WHEATON Industries Inc. Material : Glass ModelNumber : 9854U25EA NumberOfItems : 1 PartNumber : 990400 ProductSiteLaunchDate : 2013-06-13T22:35:15.055Z StreetDate : 2017-03-12T00:00:01Z SupplierDeclaredDgHzRegulation : unknown UnitCount : 1