22" Complete Crystal Spray (White) - Pentair In-Floor(A&A) | 581221 Parts and Accessories Skimmers They have several steel balls

They have several steel balls located inside which give the ability for movement while having a flat surface on their top side with holes meant for screws that lock them into place on the frame

Pentair Top Feed Valve Speed Control & Screws | SKU 230151

Helps guide the cleaner throughout your entire pool from the water line to the pool bottom

Set the body height and orientation before you pour or patch the deck

22" Complete Crystal Spray (White) - Pentair In-Floor(A&A) | 581221 Parts and Accessories Skimmers They have several steel ballsA&A Manufacturing is now Pentair In Floor Cleaning & Circulation! Old SKU 554273 Enjoy the fun of a cascading fountain in shallow or medium depths. Available in 22" lengths that are adjustable for water depths of 4" 18". A disappearing fountain that adds stunning visual impact and a lasting impression to your pool. Sprays features in Crystal Spray.