1# Lid Assembly for 75 SqFt Filter $120.99 1b# Lid Assembly for 100 SqFt Filter $140.99 1c# Lid Assembly for 150SqFt Filter $159.99 2# Air Relief Plug $8.99 3# O-Ring for Air Relief $2.99 4# Handle with Screws $21.99 5# Lid O-Ring $24.99 6# Pressure Gauge $19.99 7# Internal Filter Screen Assembly $12.99 8# for 75SqFt Assembly $79.99 8# for 100SqFt Assembly $99.99 8# for 150SqFt Assembly $124.99 8a# Tie Nut $8.99 8b# Upper Plate $13.99 8c# Core Center $14.99 8d# Lower Plate Assembly for 75SqFt $44.99 8d# Lower Plate Assembly for 100 SqFt Filter $70.99 8d# Lower Plate Assembly for 150 SqFt Filter $97.99 8e# Cartridge for 75Sq Ft Filter $174.99 8e# Cartridge for 100 SqFt Filter $146.99 8e# Cartridge for 150 Sq Ft Filter $273.99 8e# 200 Sq Ft Cartridge Filter $329.99 8e# 250 SqFt Cartridge Filter $451.99 8e# 300 SqFt Cartridge FIlter $580.99 9a# Air Bleeder Assembly $16.99 9b# 1.5" Check Valve Assembly $20.99 10# Pin and Anchor Assembly $6.99 11# Coupling Assembly Modular Base $15.99 11a# 2" Union Nut $2.99 11b# Coupling Modular $12.99 11c# Gasket $2.99 11d# Coupling O-Ring $2.99 12# Standard System Base $72.99 13# Filter Body with Check Valve (1.5" Body) $243.99 13# Filter Body without Check Valve (2" Body) $243.99 14# Pump Base Modular (Hi-Flo) $30.99 15# Filter Base Modular $61.99 16# C/D Drain Assembly $8.99 16a# Drain Cap Assembly $5.99 16b# 2" MPT Plug (2" Body) $4.99 17# Lock Nut Assembly $66.99 18# Hose Adapter $7.99 19# Coupling Assembly Standard Base $16.99 19a# Coupling Standard $11.99