Lucins
Anti-backflow washing drain valve – protection against backflows at home
Safeguard your home from unpleasant smells and backflow – easy and efficient!

This valve is designed to prevent backflow, stopping stagnant water, odors, and unwanted critters. The installation process is simple, promoting effective drainage while keeping your home pristine.

✅ Dependable backflow protection: Keeps sewage away from your plumbing.
✅ Odor-proof barrier: Stops foul sewer smells from infiltrating.
✅ Safe and hygienic: Keeps pests and contamination at bay.
✅ Sturdy and adaptable: Fits pipes measuring 1.8–3.5 cm; constructed from robust materials.

Product specifications:
- Material: ABS, Silicone
- Pipe compatibility: Works with diameters of 1.8–3.5 cm
- Included in delivery: 1 backflow prevention valve designed for laundry sinks
Shipping
Free standard shipping on every order to U.S. addresses, with tracking included.
- Orders are processed within 1–3 business days (cut-off: 5:00 PM ET, Monday to Friday)
- Transit takes 7–14 business days, for a total estimated delivery of 8–17 business days
- We ship with trusted carriers, including USPS and FedEx
- Sales tax is calculated at checkout, and any import duties are covered by us
- Orders can be canceled within 12 hours of purchase
Read our full Shipping Policy.
Returns
Not quite right? You have 30 days from delivery to send it back.
- Email support@lucins.com with your order number to start a return
- Items must be unused, unworn and in their original packaging with all parts included
- Defective, damaged or incorrect items are always accepted, at no cost to you
- Return shipping is paid by you for change-of-mind returns
- We never charge restocking fees
- Approved refunds are processed within 7 business days to your original payment method
Read our full Return & Refund Policy.
Contact Us
Questions about this product or your order? We’re happy to help.
- Email: support@lucins.com
- Contact form: Contact page (link: /pages/contact)
- Monday to Friday: 9:00 AM – 5:30 PM ET
- Saturday and Sunday: 10:00 AM – 3:00 PM ET
We aim to reply to every message within 24 hours.