Although these coupons, discounts and deals have expired, they may still be valid and you can try to use them.
Promo Code
Discount
Description
Expired
Work?
EDU5
$5 OFF
Up to $5 saving on Filter King
Mar 15, 2022
Yes
COUPONCHIEF05
$5 OFF
Save $5 off sitewide
Mar 27, 2022
Yes
COUPONCHIEF
$2 OFF
$2 off all orders
Apr 13, 2022
Yes
EMAIL-SUBSCRIPTION
$5 OFF
Save $5 ON Filter King any order
May 15, 2022
Yes
POP5
$5 OFF
$5 off to your 1st order
Jun 04, 2022
Yes
COUPONCHIEF5
$5 OFF
Shop now and save $5
Jun 12, 2022
Yes
5OFF
$5 OFF
$5 off at Filter King
Jun 26, 2022
Yes
Now easily enjoy huge discounts at your favorite Filter King store. Follow our instructions and you will surely get what you need at great discounted price. Every online store offers its own way to enter a coupon code, but it is still easy. Please keep your eyes on following steps to get your wanted discounts:
Browse this page carefully and find the Filter King best coupon codes or discount that matches your need on this page and click "Show Code" button to view the code. Click "Copy" and the coupon codes will be copied to your phone's or computer's clipboard.
During checkout, you will be offered to enter a coupon code into special box or field. Don't worry if you don't see that field at once, it may be placed after all the necessary information you need to enter, like billing and shipping details or payment info. After your coupon code is applied, you will see a discounted price.
Payment! Finish shopping! That easy it was!
Yes, there are 7 active Filter King coupons, including 7 coupon codes and 0 deals provided by Filter King.
Filter King new coupons will be released throughout the month. Coupons will also be provided on major festivals. The Latest Filter King discount was “$5 off at Filter King”, found on Jan 31, 2022.
You can contact Filter King through their customer service contact page. You can also contact Filter King through their social media pages.
Of course you can! We accept coupon code submissions for stores. You can add coupon details through the form on the right side of this page. Once verified the code will be added to this page.
Filter King discounts that do not have an expiration date may indicate that it is valid for a long time. Sometimes Filter King will extend the validity of the coupon code. If you don't find a suitable discount, you can try them. It may still work.
Based on all coupon codes and discounts provided by Filter King.
Would you like to be informed as soon as new Filter King discount arrives? Receive coupons for by email, subscribe now!
I hereby agree process my e-mail address data, used for "subscription" services. Read our Privacy Policy or contact us on for more details.
We recommend related stores in the industry for you, and hope you are interested.
Please use this form to send us Filter King coupon code and deals. We'll review them as soon as possible.