PAL Swivel Caster Replacement Kit With Hardware filter-length_17 3/8 inches The spray head assembly has

The spray head assembly has two Gentle Spray outlet heads with "flip-top" dust covers mounted on chrome-plated brass supply arms

A wide front step provides easy access and brings the guard closer to the pool's edge

the pool may be refilled after 4 hours

or ozone in preparation for a Total Alkalinity Test

Assuming you have that anchor installed already

PAL Swivel Caster Replacement Kit With Hardware filter-length_17 3/8 inches The spray head assembly hasThis is an S. R. Smith PAL Lift Swivel Caster Replacement Kit With Hardware. The casters are sold individually. The PAL lifts have two swivel casters with brakes and two rigid casters. If you are replacing all the casters, you would need to purchase two of each type.