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Instapure under sink filters are standard 10 inch filters and can be replaced with standard cartridges and may also be called Waterpik.

 

Instapure Under Sink Filters full product list:


FiltersFast FF10S-5 Replacement For WaterPik IR-20
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Retail: $7.99

As Low As: $3.95

Save 51%!

FiltersFast FF10C-5-AP Replacement For WaterPik IR-10A Filter
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Ships in 1 business day

Retail: $36.99

Our Price: $11.99

Save 68%!