Jandy Stealth/WaterFall (SHPF/SHPM) Series Pump Tailpiece (2.5"x3") Union Nut O-Ring || R0446102 iAquaLink Upgrade Kits & Accessories there are 3 of these

there are 3 of these parts and they are placed two on one side of the cleaner and locked into the frame and bottom housing while the third is placed on the opposite side

and debris

sizing the filter by roughly 1 GPM per sq ft (~100 GPM) is a good rule

The Pentair Triton II TR100 Side Mount Sand Filter (SKU EC-140210) is engineered to deliver years of dependable filtration in residential in-ground pools

Jandy Stealth/WaterFall (SHPF/SHPM) Series Pump Tailpiece (2.5"x3") Union Nut O-Ring || R0446102 iAquaLink Upgrade Kits & Accessories there are 3 of theseJandy Stealth (SHPF SHPM) Series Pump Tailpiece (2. 5"x3") Union Nut O Ring R0446102 This tail piece with O ring and coupling nut is designed to use with Zodiac Jandy WaterFall and Stealth series pump models SWF, SHPF, SHPM. Available in 3. 0 and 5. 0 Horsepower. The kit includes 2 tail piece of 2 1 5 inch by 3 inch, 2 coupling nut and 2 O ring.