4" NPSH Female LH x 4" NPSH Female LH Swivel Adapter Aluminum DMH2515NYFD Your failure to fully understand

Your failure to fully understand the description and contents of this product page

dust control

you'll need a 1 inch fire hose nozzle equipped with 1" fittings

Female Side 1 – 2” NH (NST) Female (National Hose / National Standard Thread)

or yellow colored hose has two thick layers of canvas jacket polyester with cotton

4" NPSH Female LH x 4" NPSH Female LH Swivel Adapter Aluminum DMH2515NYFD Your failure to fully understandSpecifications Female Side 1 4 NPSH Female Swivel (National Pipe Straight Hose) Female Side 2 4 NPSH Female Swivel (National Pipe Straight Hose) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards