Description
Empty Blue Tubes for Refilling V90 Charcoal Filter Package of 4 for Basic and Perfect Fountains 4” sterile pharmaceutical-grade blue tubing used in the V90 Charcoal Filter. The blue tubing is extruded with an inner liner that releases silver ions to protect against colonization by pathogenic bacteria. Silver ions also inhibit the growth of biofilm forming molds, fungi, and algae.