Frequently asked questions
DISCOUNT CODES
Why can I not apply my email discount code to my order?
Why can I not apply my email discount code to my order?
Please be advised that only 1 discount offer can be applied to an order.
If you have a volume (bulk quantity) or subscription item added to your cart, simply remove it from your order before checkout in the cart page and then apply the discount code you wish to use during checkout.
Can you apply a discount code after I have placed my order?
Can you apply a discount code after I have placed my order?
We cannot apply a discount code or add a discount to any order once it has been placed.
Can I stack discount codes?
Can I stack discount codes?
Discount codes cannot be stacked due to system limitations.
For example, if you select a subscription option for any eligible product, you cannot apply an additional discount during checkout because the system shows you already have a discount offer applied (coming from the subscrption).
Do discount codes apply to my order automatically?
Do discount codes apply to my order automatically?
Discount codes will not be automatically applied, but discount offers such as discounts for subscription or bundles will automatically be applied.
This means that unique discount codes received through emails will not be automatically applied.
SHIPPING & RETURNS
What's this Shipping Insurance item that's added to my cart?
What's this Shipping Insurance item that's added to my cart?
An optional item that protects your order against loss, theft, or damage during transit.
By adding this to your cart, you ensure a quick and hassle-free resolution, including a refund or replacement, if any shipping issues arise.
This service offers peace of mind by covering unforeseen events that may occur while your package is en route.
How long does it take for an order to be shipped?
How long does it take for an order to be shipped?
Within the domestic U.S. standard shipping times are 5-10 business days and for international orders, shipping times can range from 10-15 business days.
How can I process a return?
How can I process a return?
If you're unsatisfied with your purchase, you have 30 days from the delivery date to ship your return.
Please contact us at support@smartmerx.com for further detail
PRODUCT
How do I know this won't leak like my last three filters?
How do I know this won't leak like my last three filters?
The LeadShield Elite Pro uses precision-engineered brass fittings and professional-grade seals - the same technology used in commercial applications.
Will this fit my faucet?
Will this fit my faucet?
The LeadShield Elite Pro includes universal adapters that fit 99% of standard kitchen and bathroom faucets. If it doesn't fit yours, return it for a full refund.
How often do I need to replace the filter?
How often do I need to replace the filter?
Every 6 months or 500 gallons - much longer than cheap plastic filters. The transparent visual design is an indicator that tells you exactly when it's time to change the filter.
Is the lead removal claim really true?
Is the lead removal claim really true?
Absolutely. We have third-party NSF certification for 99% lead removal. The test results are available on our website, and we're so confident we offer a money-back guarantee on this specific claim.