This product has been discontinued by the manufacturer. Please contact us for the closest replacement - Silicone oil SI 2, bottle 1000 ml The Silicone oil SI 2 can be used for the product line R2.5/R6/R9/R16 after a modification of the pumping assembly in our facilities only. The Silicone oil SI must not be used for Chemistry-HYBIRD-pump RC 6.