x2. Also if cash is slim, you can buy a home lice spray at wal mart. its made for spraying furniture and such. it has the SAME active ingredients as provent a mite. It works well as i have used it. 3 bucks verse about 14. Use the same instructions as the provent a mite. Spray enclosre and substrate. let dry. replace snake and water dish. My boa was mite free in very short order.