If you are planning to replace Pentair pool lights, and you want keep the recessing box and without doing any construction change,
RISE pool lights will be a good choice.
Below is what we did, just replace the Par56 bulb with RISE LED pool lights.

Model No.: RS-RP54W316X(88255)
Front cover & Housing: 316L Stainless steel
Dimensions: D265*H65mm
Tempered Glass 8mm thickness
LED chip: CREE / EDISON
LED Q’ty: 18pcs 3W LED / 18pcs 3in1 LED / 24pcs 3in1 LED / 18pcs 4in1 LED
Voltage: AC/DC24
Cable gland: Stainless steel 316L PG13.5
Driver: Constant current driver built-in
Lens: Clear, Bead, Frosted
Beam Angle Options: 10° 30° 45° 60° 90°
Power Cable: AWG 5/18 or AWG 3/18 SOW rubber cable
Protection Class: IP68
Environment: Dry / Pool
Mounting Hardware: Embedded System
Net Weight: 5.8kgs with 1.5m cable
Lifetime: >50000H