New brand hoffman #508 air vents for water and steam

What is for sale: New brand hoffman #508 air vents for water and steam

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THIS IS A BRAND NEW HOFFMAN #508 AIR VENT FOR STEAM AND WATER!!! THIS ITEM RETAILS FOR AROUND $20+ EACH
VALVE.. CHECK OUT THE MANY ITEMS I HAVE UP AT GREAT PRICES BEFORE THEY ARE GONE!! DONT MISS OUT SO DO