John Guest tube fittings are precision push-to-connect plastic and acetal fittings designed for connecting tubing in fluid, pneumatic, and instrumentation systems. Widely used in industries like water treatment, food & beverage, HVAC, laboratory automation, instrumentation, and manufacturing, these fittings offer leak-proof performance, easy installation, and durable reliability. At ALSCO Industrial, we carry a broad range of John Guest fittings from elbows and tees to adapters and unions, backed by premium quality and trusted consistency for industrial, commercial, and process applications.
Reducer, 5/32 in. to 5/8 in. Sizes
Sale priceFrom $2.18
Female Connector, 1/8 in. to 1/2 in. Sizes
Sale priceFrom $4.23
Reducing Tee, 1/4 in. to 1/2 in. Sizes
Sale priceFrom $4.65
Reducing Elbow, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $3.69
Enlarger, 5/16 in. to 1/2 in. Sizes
Sale priceFrom $3.62
Stem Adapter, 1/8 in. to 1/2 in. Sizes
Sale priceFrom $0.89
Union Connector, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $2.18
Union Elbow, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $2.53
Union Tee, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $3.49
Male Flare Connector, 1/4 in. to 1/2 in. Sizes
Sale priceFrom $2.18
Male Connector, Acetal, 1/8 in. to 3/4 in. Sizes
Sale priceFrom $1.62
Offset Connector, 1/2 x 5/16 in. Size
Sale price$8.05
Dispensing Valve Stem, 3/8 in. Size
Sale price$3.26
Dispensing Valve Elbow, 3/8 in. Size
Sale price$5.59
Cross, 3/8 in. Size
Sale price$8.54
Stackable Tee Connector, 3/8 in. Size
Sale price$3.89
Fixed Tee Adapter, 3/8 in. Size
Sale price$4.60
Plug, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $0.62
U-Bend, 3/8 in. to 1/2 in. Sizes
Sale priceFrom $10.27
Locking Clip, 1/4 in. to 1/2 in. Sizes
Sale priceFrom $0.25
Tube Insert, 10 mm to 22 mm Sizes
Sale priceFrom $0.84
Three-Way Connector, 3/8 x 1/4 in. Size
Sale price$6.81
Fixed Elbow, 1/8 in. to 5/8 in. Sizes
Sale priceFrom $2.53
End Stop, 1/4 in. to 3/8 in. Sizes
Sale priceFrom $1.81
Female Flare Connector, 1/4 in. to 3/8 in. Sizes
Sale priceFrom $3.79
Faucet Connector, 1/8 in. to 3/8 in. Sizes
Sale priceFrom $3.45
Collet Cover, 5/32 in. to 5/16 in. Sizes
Sale price$0.43
Tube To Hose Stem Long Version, 5/16 in. to 3/8 in. Sizes
Sale priceFrom $2.61
Tube To Hose Elbow, 1/4 in. to 3/8 in. Sizes
Sale priceFrom $2.31
Tube To Hose Stem, 3/16 in. to 1/2 in. Sizes
Sale priceFrom $1.58
Unequal Two-Way Connector, 5/16 in. to 3/8 in. Sizes
Sale priceFrom $4.67
Two-Way Connector, 1/4 in. to 1/2 in. Sizes
Sale priceFrom $4.38
Plug In Elbow, 5/32 in. to 1/2 in. Sizes
Sale priceFrom $2.58
Reducing Union Connector, 3/16 in. to 1/2 in. Sizes
Sale priceFrom $2.94
Reducing Bulkhead Union, 1/4 in. to 1/2 in. Sizes
Sale priceFrom $6.07
Bulkhead Union, 3/16 in. to 1/2 in. Sizes
Sale priceFrom $4.83
Swivel Male Run Tee, 1/8 in. to 1/2 in. Sizes
Sale priceFrom $4.85
Swivel Branch Tee, 1/8 in. to 1/2 in. Sizes
Sale priceFrom $4.85
Swivel Elbow, 1/8 in. to 1/2 in. Sizes
Sale priceFrom $3.85