This compact cold water shower control can be counter top or bulkhead mounted. 

• Water Connection: 3/8” BSP Threaded shaft, 1/2” NPS-M nylon adapter included
• Hose Connection: 3/8” BSP-M
• Material: Chrome plated brass faucet body with ABS knob
• Mounting Hole: 7/8”
• Bulkhead or Counter top thickness: 5/16” to 3/8”