Clearwater/Crystal Water Pressure Gauge - 0-60 PSI - Back Mount Stainless Steel fitting-connection_Female The optional sliding collar is

The optional sliding collar is item #23625-00

This is a PVC Reducing Tee Fitting with slip (socket) fitting connections that measures 6 x 6 x 4 Inch

Using household scissors

065 inch wall stainless steel

This Taylor Calcium Buffer is one essential component needed for your pool's test kit

Clearwater/Crystal Water Pressure Gauge - 0-60 PSI - Back Mount Stainless Steel fitting-connection_Female The optional sliding collar isThis is a Waterway Plastics Pressure Gauge replacement with a back mount and reads 0 to 60 PSI. This Waterway pressure gauge is made of stainless steel and waterproof. This pressure gauge is designed to work with ClearWater II and Crystal Water Cartridge and D. E. pool filters.