This is a non OEM replacement product. The cartridges listed below will fit standard filter housings made for 2.5" x 9.75" (also commonly called 2.5" x 10" or just 10") replacement cartridges. This is the most common filter cartridge size made. Additional Details ------------------------------ Bullet point: UNIVERSAL SEDIMENT FILTER: This Aqua Pure AP110 universal whole house water filter cartridge (2-Pack) by IPW provides superior filtration for fine and normal sediment, enhancing water quality throughout your home. These 5 micron nominal cartridges reduce dirt, sand, and rust, ensuring clean and clear water from every tap. The universal fit means compatibility with various water filter system, delivering an efficient sediment filtration solution.