Discount Water Filters and Air Filters at Discount Filter

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Welcome Clients, Friends and Family of

CenterPoint Energy's Home Service Plus® (HSP)

Home Service Plus® (HSP) partnership with

HSP has partnered with, one of the largest online providers of water filters & air filters to offer you a great deal on filters.

As the state’s largest and most trusted HVAC service provider, generations have counted on HSP to keep their appliances in pristine working order. Changing your filters regularly is another important step in maintaining a healthy home.

About is the leading online provider of healthy home living products, offering one of the largest selections of the air filters, water filters and filtration systems that provide you with the freshest indoor air and cleanest tasting drinking water. Brands offered include major names such as Tier1, 3M Filtrete, Whirlpool, Maytag, GE, LG and Samsung. Stay up to date on the products available at by browsing our website or visiting our blog at For help finding the filter you need, please call our expert customer service team at 1-800-277-3458.

CenterPoint Energy Home Service Plus Home Service Plus




Enter HSP25 at Checkout

Do you know your filter or refrigerator model number?

Need help?
Call us at

If you have submitted information to Water Filters Direct LLC. d.b.a (all hereinafter referred to as "") and would prefer that not store your information for any purpose, you can delete your account. You may however continue to receive other service and marketing communications from in the manner in which you initially subscribed. To opt out of the receipt of other communications from, please refer to it's privacy policy HERE