The ASI 04523-6 Manual Roll Paper Towel Dispenser accommodates one standard paper towel roll that measures 8 inches diameter and 8 or 9 inches in length

VALVE: 1/2

one-piece beveled construction with no seams

They're also used to adjust water flow to allow proper flushing

Actuator Assembly

Berkshire Dry Wipe, Choice 700, 9" x 9", Number of Sheets 150, White - CH709.14 Paper Towel Type-C-Fold The ASI 04523-6 Manual RollDry Wipe; Wipe Type: Cleanroom Wipe; Dispensing Form: Soft Pack; Product Series: Choice(R) 700; Color: White; Minimum Cleanroom Standards: ISO 3 (Class 1); Material: Polyester; Lint Level: Low Lint; Roll Length: No Roll; Sheet Length: 9"; Sheet Width: 9"; Number of Sheets: 150; Self Dispensing Package: No