Pentek HD-950 Whole House Filter System Save 17% Off

• Ametek/Pentek Filter Housings
• 10" Big Blue Ametek/Pentek Housing (4" Dia. Filter)

I''ve used this system in three residences over the last 12 years. It works great, and easy to change filters. Make sure you use a new o-ring when you change filters, to insure you have a good fit. Great rage of filters for your particular application. I recently changed to a filter to remove chloramines, as the local municipality now adds that, in addition to the chlorine as a disinfectant.

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This stupid prefilter is flawed by design.

1) It''s super hard to screw and unscrew the housing even with that plastic wrench. How tight is tight enough? A bit not tight and water flood out. Too tight and your next time of unscrewing it will be hell. You''ll fear that you''re ripping your entire plumbing system off! Why is there not a solid reaffirming stop to this when it''s fully tightened?

2) Its O-ring escapes way too easily. It''s already a lil'' too big when new, after being used for a few months, it sure won''t fit as it swells. There you go, $6 O-ring replacement each and every time (almost).

3) There should be an indicator of some sort some how to indicate that its cartridge is saturated with gunk. I heard that a clear housing won''t help much as it will get this dirty coating on its inner surface way too soon, blocking visual check of the dirtiness of the cartridge itself. So what''s the solution?! I want to know WHEN to change the cartridge!!

Hate hate hate this Pentek prefilter system. Are there better choices out there?