WaterdropAP810 Whole House Home Water Filter, Replacement for 3M Aqua-Pure AP810, AP801, AP811, Whirlpool WHKF-GD25BB, Pack of 3 (Packing May Vary)

Q: Will this filter work with whirlpool wha4ff5

Not sure why the other person answered no. This will work with WHA4FF5, WHKF-GD25BB, and WHKF-WHPLBB (all of which are the same dimensions)—any large capacity whole home filtration system.

Q: What are the filter dimensions? have whirlpool whkf-dwhbb whole house system - cartridge dimensions are 9-7/8" by 4-5/8". is the waterdrop ap810 ok?

The AP810 will fit in the whirlpool housing even though the Waterdrop filter dimension are slightly different.

Q: Does 3M mean 3 microns?

3M is a product brand. This filters are 5 micron.

Q: Will this work as a replacement for Model #AP410?

Hello Thanks for your question, based on the information you provided this filter should not be compatible with your model #AP410. If you have any further questions, please let us know without hesitation.