what is seltzer water

{"title":"ABS Sparkling Water Maker Machine , Home Seltzer Maker","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/58\/8c\/cc00dcb26faa3fc35f440f3fd5a0-200x200-1.jpg","attrs":{"Price":"USD19-23\/set","Brand Name":"Sino Batoo","Model Number":"SM-006","Minimum Order Quantity":"300","Delivery Time":"2-3 weeks","Certification":"FDA","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"10000sets\/month","Packaging Details":"4sests\/ctn, 64.5*36.5*48cm, 7.6KG","Material":"ABS+PET","Application":"Home use & Outdoor activities","Qty\/ctn":"4sets\/ctn","Name":"Sparkling Water and Soda Maker Machine, Carbonates Any Drink for Home","Keyword-1":"Seltzer Maker","Keyword-2":"Seltzer Machine","Keyword-3":"Seltzer Water Maker","Keyword-4":"Sparkling Water Maker"}}