On Sale for the Month of JULY Peter Berg Design air channel for J tube

For the month of July

J tube Peter channels will be $20.00 plus shipping

Must be ordered to specific size for your application .

Measurements needed; Exact width of feed tube Example 7.5″ on an 8″J or 5.5″ for a 6″ J

Measurement from top brick of feed tube, to the bottom of the first burn tunnel roof brick