Pure-Incense Connoisseur Collection 1. These incenses provide the most unbelievable incense experience possible. Extremely potent Rose, Sandalwood, Agarwood and Frankincense in our gorgeous box. The ultimate incense luxury gift. Connoisseur is more refined with a minimum of base with the most concentrated, finest ingredients added. This results in a highly potent incense that has to be tried. Temple grade. 40 gram box. Sticks burn for approximately 30 minutes.