15
%
Promo code
Verified
Nov 14, 2026
Our pick
Only Today
Applied 150 times
+1
$
10
Expires Nov 22, 2026
10
%
Expires Nov 21, 2026
$
10
Expires Nov 21, 2026
$
10
Expires Nov 21, 2026
20
%
Expires Nov 21, 2026
10
%
Expires Nov 21, 2026
10
%
Expires Nov 19, 2026
99
%
Only Today
99
%
Only Today
15
%
Promo code
Verified
Nov 14, 2026
Only Today
Applied 5 times
5
%
Promo code
Verified
Nov 14, 2026
Only Today
Applied 6 times
25
%
Promo code
Verified
Nov 14, 2026
Only Today
Applied 10 times
Sign up to receive week deals
Expired, but try! The codes might work
20
%
Promo code
The Special Offer is expired
Applied 159 times
10
%
Promo code
The Special Offer is expired
Applied 43 times
15
%
Promo code
The Special Offer is expired
Applied 26 times
15
%
Promo code
The Special Offer is expired
Applied 20 times
When is the best time to buy at FilterBaby?
The number of active promo codes by month
0
2
4
6
8
10+
Jan
56
Feb
49
Mar
64
Apr
79
May
41
Jun
37
Jul
51
Aug
51
Sep
87
Oct
74
Nov
28
Dec
87
Promo frequency:
Very Frequent
~
8
new promo codes per month
Promo availability:
Highest
13
active promo codes available
How to use a coupon code on FilterBaby?
-
Go to filterbaby.com
After copying a promo code, go to the website filterbaby.com and sign into your account.
-
Select a category and subcategory
Select a category and subcategory of items from the top menu or from any offer on the home page.
-
Choose an item
Click on the image of the item that interests you.
-
Add to shopping cart
Add to cart the water filter – start with the Start Kit or Family Starter Kit, and replacement filters.
-
Go to shopping cart
Click on the shopping bag icon in the top-right corner of the page.
-
Apply the promo code
Paste the saved promo code in the “Discount code” box at the bottom of the cart summary menu and press “Apply” – or proceed to checkout, paste the code in the “Discount code” box, and hit “Apply”. Enjoy free shipping and a 60-day money-back guarantee.

Why You Can Trust Our Deals
At DiscountReactor, we combine smart AI tools and careful editorial work to show you only accurate "up-to-date" and truly useful offers. AI helps us quickly filter and pre-test coupons, while editors manually check the results, adjust the reliability rating based on confirmed validity and keep the pages clean without unnecessary “noise.”We monitor stores daily, conduct regular manual content reviews, update or remove any problematic coupons within 24 hours on business days. We clearly mark coupons as "Verified", "Expired" or "Editor's Choice" work with partner stores on content accuracy, and always put your interests first by showing only fresh and working offers without unnecessary clutter. Rankings are based on popularity, coupon validity and user interest.