Are Selsil PRO and Selsil Silicone Spray the same product?

No. Selsil PRO is a silicone-free, general-purpose maintenance spray that lubricates, protects and cleans. Selsil Silicone Spray is a transparent, silicone-based lubricant designed for colourless lubrication. Silicone Spray reduces friction and protects surfaces against moisture.