X0101 EFFECT 33 LIVE 2008-09-17 16:00:00

S-4

0001216596 NORTEK INC 333-152934 0001399566 Advanced Bridging Technologies, Inc. 333-152934-43 0001435223 Aigis Mechtronics, Inc. 333-152934-42 0001399565 AllStar Pro, LLC 333-152934-41 0001302793 Aubrey Manufacturing, Inc. 333-152934-40 0001302808 Broan-NuTone LLC 333-152934-39 0001302876 CES Group, Inc. 333-152934-38 0001399572 Cleanpak International, Inc. 333-152934-37 0001035523 ELAN HOME SYSTEMS LLC 333-152934-36 0001399564 Gefen, Inc. 333-152934-35 0001302907 Governair CORP 333-152934-34 0001349883 GTO, Inc. 333-152934-33 0001399568 HC Installations, Inc. 333-152934-32 0001173953 HOMELOGIC LLC 333-152934-31 0001399570 Huntair, Inc. 333-152934-30 0000717751 INTERNATIONAL ELECTRONICS INC 333-152934-29 0001302898 J.A.R. Industries, Inc. 333-152934-28 0001302994 Jensen Industries, Inc. 333-152934-27 0001302996 Linear H.K. LLC 333-152934-26 0001302995 Linear LLC 333-152934-25 0001399563 Lite Touch, Inc. 333-152934-24 0001399560 Magenta Research Ltd. 333-152934-23 0001303002 Mammoth China, Ltd. 333-152934-22 0001303071 Mammoth, Inc. 333-152934-21 0001349887 Niles Audio CORP 333-152934-20 0001399567 Nordyne China, LLC 333-152934-19 0001303073 Nordyne Inc. 333-152934-18 0001349884 NORDYNE International, Inc. 333-152934-17 0001349889 Nortek International, Inc. 333-152934-16 0000073373 NUTONE INC 333-152934-15 0001303006 OmniMount Systems, Inc. 333-152934-14 0001303082 Operator Specialty Company, Inc. 333-152934-13 0001399573 Pacific Zephyr Range Hood, Inc. 333-152934-12 0001349885 Panamax Inc. 333-152934-11 0001303019 Rangaire GP, inc. 333-152934-10 0001303020 Broan-NuTone Storage Solutions LP 333-152934-09 0001303021 Rangaire LP, Inc. 333-152934-08 0001399559 Secure Wirless, Inc. 333-152934-07 0001112421 SPEAKERCRAFT INC 333-152934-06 0001303083 Temtrol, Inc. 333-152934-05 0001303013 WDS LLC 333-152934-04 0001303012 Webco, Inc. 333-152934-03 0001302948 Xantech CORP 333-152934-02 0001399576 Zephyr CORP 333-152934-01