5 pz coperchio guarnizione tappo pulsante a scatto riutilizzabile per brocca bottiglia d'acqua 55 mm 3-5 galloni
Multiple Occasions, Suitable for water dispenser, water cooler, the center button stays attached to the cap once it’s placed, instead of floating around in the water; Also for water jug on top rack or with water pump in both family and office.