Master Lock Brass Combination Lock, Gate Lock for Outdoor Fence or Shed, Customizable Combination Padlock with Extended 2-1/4-Inch-Long Shackle, 175DLH Air-Filters length: 20 1/8-inch

length: 20 1/8-inch

Fits Pentair pool and spa heater

but the USB port and power bank are not waterproof

Protects up to -20°C

Compatible with the following models: max

Master Lock Brass Combination Lock, Gate Lock for Outdoor Fence or Shed, Customizable Combination Padlock with Extended 2-1/4-Inch-Long Shackle, 175DLH Air-Filters length: 20 1/8-inchMaster Lock Brass Combination Lock, Gate Lock for Outdoor Fence or Shed, Customizable Combination Padlock with Extended 2 1 4 Inch Long Shackle, 175DLH Indoor and outdoor lock is best used as a gate lock or shed lock for protection and security from theft; extra long shackle for application flexibility. Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Set your own four digit combination lock for easy