Aquabliss SF220

Key specifications

Connection

Standard ½-inch — fixed, rain and handheld shower heads

Filtration media

Sand filter, stainless steel mesh, PP cotton, calcium sulfite, redox media, activated carbon

Replacement cartridge

SFC220

Cartridge life

3–6 months, depending on water quality

What it takes to keep running

The part of the cost most reviews leave out: what you'll be replacing, and how often.

• Shower Filter Cartridge: change about every 4 months (about 3 a year, 9 over 3 years).