Olsen tube fittings are polypropylene and nylon connectors including elbows, tees, couplings, adapters, plugs, bushings, nipples, and hose barbs. They support chemical processing, water treatment, laboratory and industrial fluid systems, handling corrosive and general media with confidence. Available in sizes from 1/8" through 2″ and across multiple connection styles, Olsen fittings deliver strong chemical resistance, tight seals, and reliable performance in demanding piping and tubing applications.


90 Degree Elbow, HB x MPT, 1/4 in. to 2 in. Sizes
Sale priceFrom $0.70


90 Degree Elbow, HB x FPT, 1/8 in. to 3/4 in. Sizes
Sale priceFrom $0.81


90 Degree Street Elbow, MPT x FPT, 1/4 in. to 2 in. Sizes
Sale priceFrom $2.31


90 Degree Elbow, FPT, 1/2 in. to 3/4 in. Sizes
Sale priceFrom $3.82


90 Degree Elbow, HB, 1/4 in. to 1 in. Sizes
Sale priceFrom $0.68


45 Degree Street Elbow, MPT x FPT, 3/4 in. Size
Sale priceFrom $2.92


Tee, HB x FPT, 3/4 in. to 1-1/4 in. Sizes
Sale priceFrom $3.02


Adaptor, MGHT x HB, 1/4 in. to 3/4 in. Sizes
Sale priceFrom $0.70


Tee, HB x MPT, 1/8 in. to 3/4 in. Sizes
Sale priceFrom $0.96


Tee, HB, 1/4 in. to 1 in. Sizes
Sale priceFrom $1.03


Tee, FPT, 1/2 in. to 1-1/2 in. Sizes
Sale priceFrom $3.85


Straight Hose Barb, HB x FPT, 1/8 in. to 3/4 in. Sizes
Sale priceFrom $0.78


Straight Hose Barb, HB x MPT, 1/8 in. to 2 in. Sizes
Sale priceFrom $0.39


Hose Mender, HB, 1/4 in. to 1 in. Sizes
Sale priceFrom $0.41


Coupling, FPT, 1/2 in. to 2 in. Sizes
Sale priceFrom $2.33


Coupling, FGHT x FPT, 1/2 in. to 3/4 in. Sizes
Sale priceFrom $1.43


Hex Head Plug, MPT, 1/8 in. to 1 in. Sizes
Sale priceFrom $0.45


Reducer Bushing, MPT x FPT, 1/8 in. to 1 in. Sizes
Sale priceFrom $1.15


Nipple, MPT, 1/4 in. to 2 in. Sizes
Sale priceFrom $0.49


Adaptor, MGHT x MPT, 3/8 in. to 3/4 in. Sizes
Sale priceFrom $0.73


Adaptor, FGHT x MPT, 3/4 in. Size
Sale priceFrom $2.04


Adaptor, FGHT x MGHT, 3/4 in. Size
Sale priceFrom $2.26


Adaptor, MGHT x FPT, 1/4 in. to 3/4 in. Sizes
Sale priceFrom $2.01
