Kebor via Amazon offers the Jetery Shower Water Filter for $23.99. Coupon code "4FQU2KKW" drops it to $19.19. Plus, Prime members bag free shipping. That's tied with our mention from last week, $11 off list, and the lowest price we could find now. It's compatible with most shower heads and filters up to 8,000 gallons. Features include 3-stage filtration and a 2GPM water flow. Deal ends May 19.