Circle System: Heated Low Resistance, Volume & Flow = Warmer & Rapid Response includes circuit & bag

Heated, safe, low resistance SWT with 1/2 volume of 22mm (7/8") corrugated hose. Heated SWT warms from the first breath & delivers rapid response at low, environmentally responsible gas flows. Lightweight with minimal drag, SWT dries quickly & completely. Size: 16mm (5/8") ID x 1.6m (5') long with 22mm ID & 15mm ID molded ends for secure connection. Includes 15mm ID Y-Piece & 3.0L bag. For dogs over 30kg (65lb).