The O2 Hurricane 220+ mph carbonless air Duster is an inexpensive, permanent, alternative to canned air Dusters and boasts more Continuous power than canned competitors. One O2 Hurricane is equal to over 1, 000 cans of canned air! 100% satisfaction . The special edition is an inexpensive, alternative to canned air/ computer Dusters and boasts more Continuous power than competitors. Equal to 1000+ cans of traditional Duster. PLEASE NOTE: Comes with 2 straw attachments, all OTHER ATTACHMENTS SOLD SEPARATELY!