Rubber Flask Sleeve

Securely seal perforated flasks and prevent investment overflow with durable, re-usable flask sleeves. Slide this flexible, high-quality rubber sleeve over perforated flasks to seal openings before investing and remove it before burnout.

---

Dimensions: 203 x 102mm, 229 x 102mm, 152 x 102mm
Shipping weight: 2.76 lbs (1.252kg), 3.327 lbs (1.509kg), 28.823 ounces (817.104g)
Country of origin: Taiwan