Infant breathing circuit Evaqua™ 2

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Overview
Fisher & Paykel Healthcare supplies neonatal invasive breathing circuit kits designed to deliver heated, humidified gases for invasive ventilation. Kits are available as dual-heated circuits and dual-limb circuits (with expiratory water-trap variants) and are typically packaged 10/box.

Evaqua™ 2 technology
The circuit expiratory tube uses Evaqua™ 2 permeable multi-layer material. Water vapor diffuses through millions of permeable cells in the tube wall before it can condense, reducing condensate accumulation, minimizing circuit breaks and helping maintain a closed system. The multi-layer wall provides resistance to kinking and mechanical damage. Evaqua™ 2 reduces the need for conventional expiratory water traps by allowing vapor to escape through the tube wall rather than condensing inside the expiratory limb or ventilator.

Compatible humidification systems

• F&P 850 Humidification System — delivers heated, humidified support across the neonatal respiratory care continuum.
• F&P 950 Humidification System — humidification system compatible with neonatal ventilators and neonatal modes.

Product codes (selection)
F&P 850 Invasive Circuits
RT265 | Dual heated infant circuit kit with Evaqua™ 2 and MR290 autofeed chamber (Flow > 4 L/min) | 10/box
RT266 | Dual heated infant circuit kit with Evaqua™ 2 and MR290 autofeed chamber (Flow 0.3 to 4 L/min) | 10/box
RT225 | Dual-limb infant breathing circuit kit with expiratory water-trap and MR290 autofeed chamber (Flow > 4 L/min) | 10/box
RT226 | Dual-limb infant breathing circuit kit with expiratory water-trap and MR290 autofeed chamber (Flow 0.3–4 L/min) | 10/box

F&P 950 Invasive Circuits
950N80 (J) | Neonatal ventilator dual heated circuit kit | 10/box
950N81 (J) | Neonatal ventilator dual heated circuit kit (with accessories) | 10/box
950N82 (J) | SLE ventilator circuit kit | 10/box
Note: J models available in North America only.

Support resources (user instructions & specification sheets)
Specification sheets and user instructions are available for RT225, RT226, RT265, RT266 and the F&P 950 neonatal ventilator dual heated circuit kits. These documents provide product specifications, circuit setup and safe-use instructions.

Important
This product is for professional use and is not available for purchase by the general public. Always follow the directions for use. F&P, Fisher & Paykel Healthcare, Evaqua™ 2 and MR290 are trademarks of Fisher & Paykel Healthcare Limited.

Characteristics / technical specifications

• Purpose: Deliver heated and humidified gases to neonates during invasive ventilation.
• Evaqua™ 2 expiratory tube: permeable, multi-layer membrane enabling vapor diffusion to reduce condensate and minimize circuit breaks; robust and kink-resistant.
• Configurations: dual-heated circuit kits and dual-limb circuit kits (with or without expiratory water-trap).
• MR290 autofeed chamber included on many kits.
• Flow ranges: kits specified for flows > 4 L/min and 0.3–4 L/min (product-dependent).
• Packaging: commonly supplied 10/box (product-dependent).
• Compatibility: compatible with F&P 850 and F&P 950 humidification systems and neonatal ventilators or ventilators with neonatal modes.
• Regional note: some J-model variants available in North America only.