Dolphin 2x2/3001 Ultra-Fine Filter Bag - 50 Microns state_West Virginia By indicating the water depth

By indicating the water depth at various points in the pool

and Stenner commercial pump mounted on a 2 x 2 foot backboard

made to Pentair specifications

Diving/FINA minimum specifications (or better) regarding depths of water underneath and out ahead of the diving board

This is a PVC Schedule 80 Coupling with Slip x Slip fitting connections that measure 8 Inch

Dolphin 2x2/3001 Ultra-Fine Filter Bag - 50 Microns state_West Virginia By indicating the water depthThis is a Maytronics Ultra Fine Filter Bag 50 Microns for specific Dolphin pool cleaners. Models include the 3001, 2x2, and Heavy Duty. The Ultra Fine Bag is great for picking up small debris like soot or sand. Dolphin Filter Bags trap all the dirt and microfilter the pool water. It's like adding a DE Filter to a pool. These bags are machine washable and fit most commercial models.