Black Leaf Retine for Bong 20mm

These 20mm diameter bong screens patented by the Black Leaf company are the most practical, fastest and economical solution to protect and secure your smoking sessions.

It has happened to all bong or pipe lovers at least once: residues of matter and ash have managed to get through the little hole that connects the bowl to the bong and end up in the mouth, ending up polluting your special moment of relaxation.

Black Leaf's 20mm bong screens are made from durable steel and can hold more ground material and cover more surface area than 15mm screens.

A screen can also be used for multiple sessions, it is advisable to replace it when the steel is too dirty and no longer ensures a perfect seal.

Each pack includes 5 20mm screens.

Retina data sheet for bongs:

• Brand: Black Leaf
• Material: steel
• Diameter: 20mm
• Format: 5 pcs per pack