Louisiana Revised Statutes Tit. 40, § 700. Definition of terms

(1) “Advertisement” includes all representations of fact or opinion disseminated to the public in any manner or by any means.

(2) “Dealer” means any person or entity engaged in the business of selling water treatment devices to the public.

(3) “Department” means the Louisiana Department of Health and “secretary” means the secretary thereof.

(4) “Water treatment device” means any instrument or contrivance sold at retail for residential use and designed to be added to the plumbing system of a water supply intended for human consumption to improve that water supply by any means including, but not limited to, filtration, purification, distillation, or conditioning.