Pay in installments of $7.24 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Diffuser/Airstone Backflow ValveBack Flow Valve for DiffusersAll diffusers regardless of whether they are ceramic, rubber membrane or other type of material should have a back flow valve to prevent water from entering your airline. If you do get water coming back up your airline it can cause compressor issues as every time your compressor has to restart, it has to first push the water out of the airline which requires extra pressure. Secondly water in your airline can freeze during
Back Flow Valve for DiffusersAll diffusers regardless of whether they are ceramic, rubber membrane or other type of material should have a back flow valve to prevent water from entering your airline. If you do get water coming back up your airline it can cause compressor issues as every time your compressor has to restart, it has to first push the water out of the airline which requires extra pressure. Secondly water in your airline can freeze during the winter months, which means no air comes out and you put undue pressure on your compressor, which can burn up motors and/or break crankshafts and pistons quickly.
This backflow valve comes with 1/2" female NPT threads on the lower end. Please let us know in the comment section if you need an adapter for 3/8" threads and we'll supply that at no extra charge. The hose barb end fits 3/8", 1/2" and 5/8" airline and attaches to both weighted and non-weighted airline with an included stainless steel hose clamp.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 5 reviews
Sort
Product Reviews
★★★★★ 5
Great Facial Sunscreen
Great sunscreen with moistuizer so no need to apply a second product. Keeps face feeling hydrated while protected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Clear face
I love using Eucerin products. It’s safe my skin and protects. It’s my first time trying the sunscreen so far I like it. I don’t do makeups. It has a clear view on my face, doesn’t leave any whit spot le so I love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Best face sun protection
My Neutrogena one stung my eyes and made me constantly tear and this is soooo much better. It feels light and dries down well without feeling greasy. Also it didn't make my skin react. A++
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
★★★★★ 4
Greasy but light
It's very lightweight and is definitely hydrating
it's lightly greasy after its dry and it is not matte but has a dewy shine to it ,
I have tried many sunscreens and settled on this one as it just has a nicer feel to it and is easier to apply everyday, it goes on quickly and leaves no white streaks at all
Its more watery than thick
And does NOT peel whatsoever
I Would definitely recommend this as a daily Face sunscreen if you not mind the shine it has to it.
Its convenient
Yet the bottle is small and last only about a 1 to 3 weeks depending how many times you use it
To bad
They DO NOT MAKE A BIGGER SIZE
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Mi favorito de Amazon
Excelente protector lo ame
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026