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Ultima 3 Filter System — Slimline Under-Sink Filter
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A 3-stage version of Ultima’s Slimline under-sink filter, adding a final polishing cartridge for households that want the extra taste pass.
- Stage 1: sediment cartridge, from 50 micron down to sub-1 micron depending on the cartridge installed
- Stage 2: carbon cartridge (granular activated carbon or carbon block) for chlorine and other organic contaminants
- Stage 3: carbon block cartridge to polish taste and remove anything remaining
- 10" Slimline housing is model ULT-3; 20" Slimline housing is model ULT-303
Not sure which size fits your home? Send us a message with your household size and water source and we'll size it for you.
Owner's manual / spec sheet (PDF)
Water Solutions Online is an independent Ultima dealer. Ultima is a trademark of its owner.