3M Aqua-Pure AP431 Replacement Scale Inhibition Cartridge

Polyphosphates, included in this product, help to inhibit scale buildup in hot water heaters (both standard (gas or electric) and tank-less styles) and boilers. Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads. By inhibiting scale buildup on heat elements, helps maintain water heater efficiency. Easy change-out makes system maintenance easy. Rated for up to 10 gallons per minute (gpm). System has a pressure range of 25-125 PSI (862 kPa) and operating temperature of 40-100F (44-378C).

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.