iSpring US31 3-Stage Water Filtration System

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The iSpring US31 is a 3-Stage under the sink water filtration system that provides filtered water. This system utilizes a 5 micron sediment filter with two 5 micron carbon block filters to produce great tasting filter water. Find the compatible replacement filters below along with parts, manual and change-out schedule.

 

STAGES:

  • STAGE 1 - Sediment Pre-Filter (93023) - Replace Every 6-12 Months
  • STAGE 2 - Carbon Block Pre-Filter (OMB934-5m) - Replace Every 6-12 Months
  • STAGE 3 - Carbon Block Pre-Filter (OMB934-5m) - Replace Every 6-12 Months

PDF iconiSpring US31 Owner's Manual