Refrigent gas 410, Refrigent gas 404 & Refrigent gas 134a — simple guide :rootfont-family: "Segoe UI", Roboto, Arial, sans-serif; color:#142533; line-height:1.65; bodymargin:0;background:#f6f8fa;padding:20px;-webkit-font-smoothing:antialiased; .wrapmax-width:980px;margin:22px auto;background:#fff;padding:24px;border-radius:10p