![od-category-photo-PP0412WP.png](/sites/default/files/styles/400x375_fallback/public/images/od-category-photo-PP0412WP.png.jpeg?itok=To2MyFV1)
Reverse Osmosis (RO) Fittings and Tube Connectors and More
Our push-fit tube fittings are designed for use with a wide range of water treatment applications, including water purification, reverse osmosis (RO), ice makers, beverage dispensing, vending & OCS, car washing systems, marine/RV and many more.
To meet the demands of the market, these OD tube fittings feature food-grade materials and a range of both inches and metric sizes for optimal versatility. So, whether you need a quick and easy way to make connections for your products or fittings to handle your installation/service needs, John Guest RO fittings and tube connectors have the flexibility to easily integrate into your systems.
Explore our OD tube fittings for water treatment, water purification, reverse osmosis (RO) and more below to find the size and solution that works for you.
![od-poly-white-category-photo-PP30121208WP.png](/sites/default/files/styles/600x338_fallback/public/images/od-poly-white-category-photo-PP30121208WP.png.jpeg?itok=5zmGHtGr)
Polypropylene White (PP)
![od-poly-black-category-photo-pp0308e.png](/sites/default/files/styles/600x338_fallback/public/images/od-poly-black-category-photo-pp0308e.png.jpeg?itok=-gqliSUJ)
Polypropylene Black (PP)
![PPM0408WP-OD-Tubing-Fittings-photo.png](/sites/default/files/styles/600x338_fallback/public/images/PPM0408WP-OD-Tubing-Fittings-photo.png.jpeg?itok=aywlornU)
Metric Polypropylene White (PP)
![PI480821S](/sites/default/files/styles/600x338_fallback/public/images/PI480821S-OD-Tube-Fittings-photo.png.jpeg?itok=Q5YSFEfd)
Acetal Gray (PI)
![CI0208W](/sites/default/files/styles/600x338_fallback/public/images/CI0208W-OD-Tube-Fittings-photo.png.jpeg?itok=BecqBWXg)
Acetal White (CI)
![PM1212E](/sites/default/files/styles/600x338_fallback/public/images/PM1212E-OD-Tube-Fittings-photo.png.jpeg?itok=pLMHdXFN)
Metric Acetal Black (PM)
![SI041012S](/sites/default/files/styles/600x338_fallback/public/images/sI041012s-od-tube-fittings-photo.png.jpeg?itok=PPCXbFHp)
Acetal Grey SuperSeal (SI)
![nc2098lf](/sites/default/files/styles/600x338_fallback/public/images/nc2098lf-specialty-category-photo.png.jpeg?itok=84Dijy6O)
Specialty
![TSNIP](/sites/default/files/styles/600x338_fallback/public/images/TSNIP-US-OD-Tube-Fittings-photo.png.jpeg?itok=_YvyAEOb)
Accessories
![SI270808S](/sites/default/files/styles/600x450_fallback/public/images/si270808s-product-photo.png.jpeg?itok=95O__qcL)
![PI131012S](/sites/default/files/styles/600x450_fallback/public/images/PI131012S-product-photo_0.png.jpeg?itok=ED9a49h8)