FNS/Nautilus Filter Grid 48 Square Feet - 24 Inches discharge-pipe-size_1" This 18 inch commercial grade

This 18 inch commercial grade ladder tread matches these manufacturer ladder treads: SR Smith A42077-0 and Astral 4401010203

G ring buoy with Emergency Use Only in red

untreated areas may appear inferior following use

Depth is 4 inches

The newly improved cabinet has an unbreakable clear polycarbonate door designed to make the buoy easily identifiable in an emergency

FNS/Nautilus Filter Grid 48 Square Feet - 24 Inches discharge-pipe-size_1" This 18 inch commercial gradeThis is a Pentair Replacement Small Partial Grid Assembly 24 Inches for FNS and FNS Plus FNS24 Pool and Spa D. E. Filters, Nautilus NS48 Pool and Spa D. E. Filters.