
PWP Empty DI Cartridge OVERVIEW: If you've lost or damaged your original DI Cartridge, use this convenient Pure Water Power Empty DI Cartridge as a replacement. Or you can also purchase this cartridge as a backup to keep on hand in for quick swaps on the job site. Simply fill it up with resin and take it with you to never lose time on a job. The 10-inch refillable cartridge is designed to hold just under 1/8 of a cubic foot of DI resin, while the 20-inch option holds 1/4 of a cubic foot.