Complete Bubble Jet Fountain (White) - Pentair In-Floor(A&A) | 580301 Parts they are different in size

they are different in size as 2 of the screws are long

This gives it the ability to move along the surfaces of your pool as it cleans dirt

Two oscillator seals are sold separately from this assembly if ever lost or damaged

consider upgrading to the Pentair 230069 Low Profile 6-Port T-Valve Rebuild Gear Kit

Making it a perfect OEM part for your suction side cleaner

Complete Bubble Jet Fountain (White) - Pentair In-Floor(A&A) | 580301 Parts they are different in sizeA&A Manufacturing is now Pentair In Floor Cleaning & Circulation! Old SKU 564017 Add a stunning Bubble Jet disappearing fountain to your pool that will leave a lasting impression. An eye catching water show for everyone to enjoy. When it's time to swim, the Bubble Jet will return flush with the pool floor. Perfect for shallow water installations: tanning ledges, top steps, beach entries Available in white or gray, for plaster or pebble surfaced pools