Amazon has 3-Piece APEC Water Replacement Filter Set for Undersink RO Systems on sale for $32.99 – 5% Subscribe & Save discount = $31.34. Shipping is free with Amazon Prime or on orders $35+.

Details:

• For RO-45, RO-90, RO-PH90, RO-PERM, RO-PUMP, and compatible with all 10″ standard industry reverse osmosis water filter systems
• Includes (1) sediment and (2) carbon block filters
• 1st stage Polypropylene sediment filter to remove dust, particles, and rust
• 2nd & 3rd stage extruded carbon block filters to remove chlorine, taste & odor

Note: You may cancel your Subscribe & Save subscription any time after your order ships.