Specially formulated to reduce contaminants, thus avoiding repairs for malfunctions and blocked burner valves. Colibri premium butane is the cleanest burning butane available, 99.999% Pure, maintaining the flavor of fine premium cigars. Colibri Premium Butane is recommended for the use and longevity of all refillable butane lighters. 300 ml each, Made In England. $4.99 per can, $30 for 6 cans or $60 for a case of 12 cans. Call in store for Bulk prices.