Brass 4 1/2" Female NH to 2 1/2" Male NH (Pin Lug) Female Size_2 Inch and is popular with chemical

and is popular with chemical or salt water applications

Toss a bottle in each truck for hydrant and LDH hose fitting maintenance

Carbon Steel 4" Flange x 2 1/2" Male NH

Compatible part number - DMH1010

Aluminum Male to Male Adapter

Brass 4 1/2" Female NH to 2 1/2" Male NH (Pin Lug) Female Size_2 Inch and is popular with chemicalFemale to male adapters are used to bridge male to female hoses, pipes or valve fittings. Brass is commonly chosen for corrosion resistance, and is popular with chemical or salt water applications. Equivalent part number HA4525F WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. Brass Female to Male Adapter