KORO TANK - BLACK

The Koro is an alternative tank to the Boro R4 from Billet Box Vapor. It features a slide on each side for fast, safe filling, whatever AIO Box you're using, as long as it allows side filling. And a glass window on the front for classic front filling. "3 WAYS TO REFILL" This black Delrin version, with a pair of black-anodized aluminum doors and a glass window on the front, is compatible with...

KORO TANK - WHITE

The Koro is an alternative tank to the Boro R4 from Billet Box Vapor. It features a slide on each side for fast, safe filling, whatever AIO Box you're using, as long as it allows side filling. And a glass window on the front for classic front filling. "3 WAYS TO REFILL" This white Delrin version, with a pair of black-anodized aluminum doors and a glass window on the front, is compatible with...

KORO TANK - CLEAR

The Koro is an alternative tank to the Boro R4 from Billet Box Vapor. It features a slide on each side for fast, safe filling, whatever AIO Box you're using, as long as it allows side filling. And a glass window on the front for classic front filling. "3 WAYS TO REFILL" This PC clear version, with a pair of black-anodized aluminum doors and a glass window on the front, is compatible with most...

KORO TANK - ULTEM

The Koro is an alternative tank to the Boro R4 from Billet Box Vapor. It features a slide on each side for fast, safe filling, whatever AIO Box you're using, as long as it allows side filling. And a glass window on the front for classic front filling. "3 WAYS TO REFILL" This Ultem version, with a pair of black-anodized aluminum doors and a glass window on the front, is compatible with most...

KORO TANK - PEEK

The Koro is an alternative tank to the Boro R4 from Billet Box Vapor. It features a slide on each side for fast, safe filling, whatever AIO Box you're using, as long as it allows side filling. And a glass window on the front for classic front filling. "3 WAYS TO REFILL" This Natural Peek version, with a pair of black-anodized aluminum doors and a glass window on the front, is compatible with...

KORO TANK - PANELS