Kenmore Ultrafilter 150 needing pre and post filters

[rigginz]

I have a kenmore ultrafilter 150 and need to replace the pre and post filters and also the ro membrane. Are these just the pre and post filters?

[waterfilters]

Yes, the WSK-1 is the pre and post filter:
Water Sentinel WSK-1 Ecowater, Whirlpool and Kenmore Water Filters and WaterSentinel WSK1 Filters

You will need either the TW30-1810-36 RO Membrane (36 GPD) or the TW30-1810-50 RO Membrane (50 GPD).
Whirlpool TW30-1810-36 RO Membrane and TW30-1810-36 Whirlpool Compatible RO Membrane

Whirlpool TW30-1810-50 RO Membrane and TW30-1810-50 Whirlpool Compatible RO Membrane


The OR-25 oring is located here:
Whirlpool Sears ORing and Kenmore EcoWater Ecodyne O-Ring
These are good to replace every couple of filter changes. You should also use oring lubricant on the orings:
O-Ring Lubricant and ORing Silicone Grease - Dow Corning 111 Sealant to lubricate water filter o-rings.

Thank you,
WaterFilters.NET