Yellow Multi Liquid Post Plastic Carbonation Cap

Yellow Plastic Carbonation Cap – PCO1881 (Multi Liquid/Gas Post)

Make it impossible to mix up your lines with this yellow multi-post carbonation cap, perfect for identifying the liquid side on your FermZilla, PET bottles, or portable setups.

Fits all PCO1881 (Coke bottle) threads and works with both gas and liquid ball lock disconnects.

Why You’ll Love It

• Strong visual cue for liquid-side connections
• Multi-post design: accepts both gas & liquid ball locks
• Use PET bottles as mini-kegs or line-cleaning vessels
• Great for quick carbonation, sampling, or portable pours
• Fits FermZilla lids and pressure kits
• Made from high-strength engineering plastic
• Impact-resistant & chemically resistant

Compatibility

• PCO1881 (Coke bottle thread)
• Accepts duotight fittings (sold separately):
• 8 mm duotight for 4 mm / 5 mm ID EVABarrier
• 9.5 mm duotight for 6 mm ID EVABarrier

Perfect For

• Fast carbonation
• Beer line cleaning
• Portable PET-bottle serving
• Pressure transfers

A simple colour-coded upgrade to keep your draft setup organised and foolproof.