Replacement water chamber and O-ring kit for use with AquaSurge 4000 pump #91019 (G2 Year 2012 - Present), AquaSurge 5000 pump #91020 (G2 Year 2012 - Present), and AquaSurge PRO 2000-4000 pump #45009 (G2 Year 2012 - Present) .
Pond Calculator
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(For example, '10 1/2Ft' you would enter as '10.5')