Ships from manufacturer, typically in 5-7 business days The following parts are available for the Lifegard Aquatics Module Filters (Mechanical Filter Modules, Chemical Filter Modules and Heater Modules). Item No.(See Diagram) Part No. Description of Replacement Part 1 R172045BX 0-30 gauge, bottom mount 2 R172045AX Gauge adapter and air bleed 3 R172012X 3" cap with 1/4" NPT hole 4 220001 O-ring for 3" cap 5 R172043X Cup spring 6 R172014X Cartridge plug 7 R175028X Pleat retainer, 2pc 9 R175026X PL-9 pleat, 2pc 10 R270313 3/4" close nipple 10A R270484 1" MPT x close nipple 11 R172005R172006A 9" standpipe & 20 micron cartridges 12A R172018 19" standpipe 13 R172017 29" standpipe 14 R172008X 3" solid cap 15 R175056 Retainer cap for ALL carbon chambers 16 R175029 9" chemical retainer chamber 17 R175054 19" chemical retainer chamber 18 R175055 29" chemical retainer chamber 20 R175021X 3" clear heater cap, complete 21 R175022X Small heater gasket 22 R175023X Larger heater gasket 23 R174000 1-1/4" x 3/4" outlet reducer bushing 23A R174001 1-1/4" x 1" outlet reducer bushing 23B R174002 1-1/2" x 3/4" inlet reducer bushing 23C R174003 1-1/2" x 1" inlet reducer bushing