Lower Standard ONLY - 18 &30 GPM
$23.00 - $27.00
A direct replacement Lower Standard for size 18 and 30gpm pumps. compatible with either bronze or aluminum.
If you are unsure of which one you have, you can confirm by measuring the diameter of the lower standard or confirming the diameter of your pump base against the measurements listed below. The lower standard is made of tumbled stainless steel.
18gpm Lower Standard Diameter: 3.25"
30gpm Lower Standard Diameter: 4.75"
Top Diameter of 18gpm pump: 8"
Top Diameter of 30gpm pump: 10"