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Classic Culligan D-40a-d Under Sink Drinking Water Filter Cartridge No Hidden Fees [qRAw81Oc]

$22.99 $73.99 -69%

Replacement filter cartridge reduces lindane, atrazine, lead, mercury, greater than 99.95% cryptosporidium and giardia cysts, asbestos, chlorine, sediment, bad taste, and odor. 0.5 micron (nominal) filtration. CBC activated carbon block construction

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Classic Culligan D-40a-d Under Sink Drinking Water Filter Cartridge No Hidden Fees [qRAw81Oc]

Replacement filter cartridge reduces lindane, atrazine, lead, mercury, greater than 99.95% cryptosporidium and giardia cysts, asbestos, chlorine, sediment, bad taste, and odor. 0.5 micron (nominal) filtration. CBC activated carbon block construction with lead-reduction media. Filter life up to 6 months or 600 gallon. Use with model No. US-600, US-550, and CTR-210 filters.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

This is a very solid, exceptionally fine tool.

- Joelle U..

January 27, 2026

Absolutely no complaints!

It’s a very well made and a useful device.

- Mylo K..

January 27, 2026

Absolutely no complaints!

I'm very, very, very happy with this product.

- Emma E..

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