The metal hopper sprayer unit is designed to attach to a 5Hp or above air compressor. The unit weighs ~ 5 pounds and is comfortable to hold for most people. An assistant can fill the hopper while you spray, or the hopper can be dipped into a wheelbarrow or plaster drum to add material. Also known as the "Tirolessa" sprayer. FREE SHIPPING IN THE CONTINENTAL USA FOR A LIMITED TIME! You can mail a check or Money Order in USD if you do not want to order online. PLEASE provide a complete address and a PHONE contact number in case we have questions. We ship in a Priority Mail large box. Mail address: Pacific Asset Development PO Box 2952 Eugene OR 97402 USA OR email sales@mortarsprayer.com if you want to order via email..do not sent your CC number in an email ..we will contact you for that. Not comfortable ordering online? We offer PAYPAL too, Yahoo store does not have it on the order page, but you can email me first, and pay for items to my account: nolan@clipper.net Be SURE to give full address for US Priority mail, and a phone number for contact. Your sprayers ship immediately in the USA...international orders..contact me first before paying PayPal. Wall Hopper Sprayer Ceiling Hopper Sprayer Tirolessa-Handoperated Texture "Flinger"