Boss™ couplings are all-purpose hose couplings, universally recommended for steam hose connectionsBoss™ couplings can be applied to many-types of rubber, synthetic, plastic, metallic or semi-metallic hoseSafety Notes: Worn-out hose couplings can be dangerous.They should be checked regularly and replace when necessary.Each coupling user should review applications and add safety devices where indicated.Pressurized steam is an extremely dangerous commodity.Only hose, fittings, clamps and accessory items that have been approved for steam service should ever be used!Never use an unapproved item for steam service.Always follow the manufacturer's product recommendations for pressurized steam handling.Applications: For air, water, fluid petroleum, chemicals and liquid petroleum gas up to 1 in ID