
California’s showerhead standard.
California limits showerheads to 1.8 gallons per minute.
California test point: 80 psi
Your routine starts with the water.
Softer-feeling hair.
Water is part of every wash.
Comfort after rinsing.
Make water part of your skincare routine.
Smoother-feeling skin.
Care for the skin beyond your face.
See S-1 filtration in action.
-
PP Cotton
Traps rust and sediment.
-
Calcium Sulfite
Targets free chlorine.
-
KDF-55
Targets chlorine and dissolved metals.
-
Maifan Stone
Adsorbs impurities.

Replace every month.
How S-1 fits your shower.
-
Attach the holder
Screw the holder onto the shower arm.
-
Connect the hose
Attach one end of the hose to the holder.
-
Fit S-1
Connect the other end to S-1, then place it in the holder.
Still deciding?
Questions about fit, care, delivery, returns, or warranty? Talk to LiberaQuar.
hello@LiberaQuar.comWill S-1 fit my shower?
S-1 is designed for standard U.S. shower connections. Confirm your existing threaded fitting before installation.
How often should I replace the cartridge?
We recommend replacement every 30 days. Local water quality and usage can affect service life.
Will the cartridge change the water flow?
Flow can vary with local plumbing, incoming pressure, the selected spray mode, and cartridge condition. The spray-mode images and product footage on this page show the S-1 water patterns.
What support is included?
S-1 includes free U.S. shipping, estimated delivery within 10 days, a 30-day return and refund window, and a one-year product warranty.
What's in the box
-
S-1 shower headIncludes 1 pre-installed filter×1
-
Replacement filters×2
-
59 in hose×1
-
Adjustable connector×1
-
Retail box×1
-
Instruction manual×1