| abstract |
A gas-pervious, liquid-gas contact pad comprises a reticulate body of water-permeable or wettable material having a large area of surfaces exposed for humidification purposes or the like. A plurality of slit and expanded sheets of wicking paper are connected in superposed and alternating relationship with a plurality of slit and expanded sheets of water-absorbent or wettable kraft paper to form a self-supporting, laminated evaporative element. |