Pentair FNS Plus 48 Complete Grid Assembly | 59023400 C8411 It has a overflow port

It has a overflow port with a 1/2'' cap

suction trap Quantity Included 1 (Each) Fits Into

Maintenance free resin with stainless steel hardware

clean spa water with 50% less bromine/chlorine use

flush fit around the laminar body

Pentair FNS Plus 48 Complete Grid Assembly | 59023400 C8411 It has a overflow portThe Pentair Grid Assembly (59023400) is the OEM complete element grid assembly for the Pentair FNS Plus 48 sq. ft. D. E. filter. This is the full internal filtration core all grids pre assembled on the top manifold, ready for direct installation. IMPORTANT: THIS IS A COMPLETE KIT NOT A SINGLE GRID This listing includes the entire grid assembly: 7 full size grids and 1 partial grid, pre assembled on the manifold. You are purchasing the complete set,