초록 ▼

A water purifying system unit that is portable, fabricated of durable parts and makes provision for storage of basic survival needs in addition to water. A double chamber unit with bag and filter with separating filter and storage compartment provides three stage filtration of water. An appropriate

A water purifying system unit that is portable, fabricated of durable parts and makes provision for storage of basic survival needs in addition to water. A double chamber unit with bag and filter with separating filter and storage compartment provides three stage filtration of water. An appropriate mouthpiece makes drinking directly from the unit possible.

대표청구항 ▼

A portable filter unit, comprising; an outer flexible container including a top; an upper compartment of flexible material enclosed in said container; a lower compartment of flexible material enclosed in said container; a tube communicating between said lower compartment and the upper end of said co

A portable filter unit, comprising; an outer flexible container including a top; an upper compartment of flexible material enclosed in said container; a lower compartment of flexible material enclosed in said container; a tube communicating between said lower compartment and the upper end of said container and including an upper end and a lower end; a rigid filter means mounted in said container intermediate said compartment; and a filter means including a pair of separate filter units, one communicating between said upper and lower compartments and the other between the lower compartment and the lower end of said tube, respectively.