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Ships within 48 hours · Estimated delivery Oct 25 - Oct 30
Reserve from the case
Ships within 48 hours · Estimated delivery Oct 25 - Oct 30
or heat exchangers components
1 Bacteria Test presence / absence media for total coliforms 48 hours
Note: Not recommended for use with well water or other non-chlorinated water sources
The 7SI Single inhibits scale buildup
HM Digital TRM-1 Triple Inline TDS Monitor Discontinued or heat exchangers componentsThe HM Digital TRM 1 is a three sensor TDS monitor that allows you to check TDS at three different points. This is ideal for use in systems that utilize both reverse osmosis and deionization, or for checking multiple points in an RO system. This is a perfect accessory for aquarium enthusiasts, allowing you to quickly and easily determine when to change your RO membrane or DI cartridge. Features: Available with 1 4", 3 8" or 1 2" quick connect fittings
US$ 21.00
US$ 22.00
Pay in 4 interest-free payments of $10.32 Learn more