[High Quality Conduit Fittings] - Size: 3 or 4 Inch. Quantity: 30 Pieces, Contains 15 straight pipe and 15 90 degree conduit connector fittings. [SAFE AND STRONG] - resists salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. Molded of type nylon 6. classification 94V-2: temperature index 125 and harsh environments resists abuse, pulling and squeezing outdoor, sunlight , direct burial, 50 percent lighter than metal conduit. [WIDE APPLICATIONS] - For indoor and outdoor use, the complete conduit or connector system is reusable.Applications: HVAC equipment Machine tools Marine equipment Motors and controls Printing equipment Pumps Refrigeration equipment Transformer connections Outdoor lighting. [EASY INSTALLATION] - No disassembly required. Instead, the installer simply pushes the conduit or tubing onto the ferrule, tightening the domed sealing nut. The completed assembly can then be secured in the chassis by the locknut (or first secure the connector into an NPT threaded hole) Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Gray Material:pvc Package Contents: 15 x straight pipe 15 x 90 degree conduit connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.