FNS/Nautilus Filter Grid 36 Square Feet - 18 Inches pool-steps_Left 1 Foot Offset You should order extra Durafirm

You should order extra Durafirm Stainless Steel Guard Rail Attachment Clamps (DF-C207)

This is a Schedule 80 One-Piece Flange with a 2-1/2 inch threaded female connection

The Xcellerator Starting Platform Dual Post features an adjustable track start footrest attachment with 12 setting options

This is a PVC Schedule 80 Union with Slip x FIPT connections measuring 1-1/2 inch

and the size of the pump tube

FNS/Nautilus Filter Grid 36 Square Feet - 18 Inches pool-steps_Left 1 Foot Offset You should order extra DurafirmThis is a Pentair 59001700 Small Partial Filter Grid Assembly, 18 inches, for FNS Plus FNS36 Pool and Spa D. E. Filters, Nautilus NS36 and Nautilus Plus NSP36 Pool and Spa D. E. Filters. One is required.