• 20 stage Shower Head Filter for Hard Water with Vitamin C E to Remove Chlorine, is for $18.99 . • Clip $4 Off Coupon and Apply Code: 309K7YEX at Checkout, the price will go down to $8.34 . • You will need to check out through the Subscribe & Save option. • Note: Amazon.com changes price frequently so deal may expire at any time. Please refer to post time to see when deal was posted.