Fibalon Filter Minions for 4 x 4 Cartridge Filters - 2 Mini Pouches SR Smith Velocity VR Frame Color/TrueTread This ceramic pool depth marker

This ceramic pool depth marker is printed with 4 IN and has a skid resistant surface

The J hooks are designed for wall mounting

eliminates rust

It is designed for several Dolphin pool cleaners

Fibalon Filter Minions for 4 x 4 Cartridge Filters - 2 Mini Pouches SR Smith Velocity VR Frame Color/TrueTread This ceramic pool depth markerThe Fibalon Filter Minions for 4 x 4 or 4 x 6 inch aboveground pool or spa filter cartridges are innovative poly fiber balls that contain a patented formula which restricts organism growth of trapped pool or spa particles. The Filter Minions are designed to filter faster, finer, and last 1 3 seasons (depending on usage). Plus, they start filtering at 10 microns and end up at 4 microns as debris collects. The Filter Minions come in two mesh pouches