Professional Grade Heid Music | Stretto 1015 Humidifier – Violin / Viola

The Stretto violin/viola humidifier is user-friendly and efficient. Its re-usable humidifier bag releases moisture slowly inside the box. No screws or brackets are required, as it attaches directly to the interior case velvet using 3M adhesive velcro tape.\\nThis unit comes with two humidifier bags for convenience. Replace bags with Stretto replacements once they no longer absorb water.