Replacement Parts for Lifegard Aquatics Module Filters Part No.:R172045BX 3oz 100 Gallons 3 4" FPT Strands are bonded together 3oz 100 Gallons 3 4" FPT Breaking up those clumps of beads often means opening up the filter and poking at the clumps with a stick inconvenient and messy 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 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