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⭐ HAPPY HOLIDAYS! ⭐

Great Plains Industries U.S.A. will be closed Wednesday, December 24th, Thursday, December 25th, Friday, December 26th, and Thursday, January 1st, 2026 to enjoy the holiday season.

⭐ HAPPY HOLIDAYS! ⭐

Great Plains Industries U.S.A. will be closed Wednesday, December 24th, Thursday, December 25th, Friday, December 26th, and Thursday, January 1st, 2026 to enjoy the holiday season.

GPI-GPRO Parts & Accessories

$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99

DP-20 Diaphragm Kit

2+ in stock

Replacement diaphragm parts for DP-20 hand pumps

$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99