Artesian Spas Jet Insert Typhoon Roto 4.5" Option:EACH you’ll need half the usual

you’ll need half the usual amount

Simply fold the cover in half and slide it onto the sturdy aluminum bars

• Removes dead algae quickly and efficiently

or when opening or closing pools for the season

you can significantly extend the lifespan of your pool filter

Artesian Spas Jet Insert Typhoon Roto 4.5" Option:EACH you’ll need half the usualriginal Artesian Spa jet 03 1309 52 or OP03 1309 52 in the Helix roto gray style. This gray color jet measures 4 1 2 inches in diameter and has a rotating center nozzle. Note this model 1309 jet insert is NOT stainless steel it is gray. If you need the stainless steel version, see model 1310.