PetSafe SSSCAT Cat Control System Refill - 3.89 oz.

The SSSCAT refill contains a gas (HFO-1234ze) that is 100% safe for people, animals and the environment. It has no active chemical agent, only an innocuous propellant. This scentless spray is stainless, ozone friendly and has no side effects. 

Features:

• Scentless and stainless (leaves no residue)
• Refill can holds up to 120 sprays
• Can of harmless HFO-1234ze gas