1?The products are made from Food-grade material which is safe, non-toxic and no odor,meet NSF Standards.They have been certified by several international authoritative testing institutions. 2?The new multi - contact design makes it more secure and reliable to connect with water tube.In destructive tests, our water purifier quick connectors performed perfectly. In the anti-fatigue and anti-pressure test, we used the continuous action of 12 kg and 35 kg pressure water hammer for 20,000 times respectively, and the products did not leak or burst.In the low-pressure test they also did not leak. 3?We have many years of experience in producing and selling water purifier fittings.We sincerely hope that our products will improve your life. 4?The cracking pressure of the check valve is 7.25 PSI.
Shipping & Delivery Information
Our Shipping Promise
At Slickpurchase, we understand how important your purchases are. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
- Processing Time: Orders are processed within 1-3 business days
- Domestic Delivery: Typically 3-5 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Slickpurchase currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Slickpurchase packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page.
For any questions about shipping or delivery, please contact our customer service team at support@slickpurchase.com.

