Aluminium Louvres for Vertical Applications
Osbournes Diffusers, Grilles and Louvres
 
WPL 100 Vertical Louvres
Aluminium Louvres for Vertical Applications

Free Area % (Width 0.748 to 1.297)
Louvre Size Versus Free Area Percentage

Height
Width 0.748 - 1.297
0.748 0.809 0.870 0.931 0.992 1.053 1.114 1.175 1.236 1.297
0.200 35.3 35.6 35.9 36.1 36.3 36.5 36.6 36.8 36.9 37.0
0.300 39.2 39.6 39.8 40.1 40.3 40.5 40.7 40.9 41.0 41.1
0.400 41.2 41.5 41.8 42.1 42.3 42.5 42.7 42.9 43.0 43.2
0.500 42.4 42.7 43.0 43.3 43.5 43.8 43.9 44.1 44.3 44.4
0.600 43.1 43.5 43.8 44.1 44.4 44.6 44.8 44.9 45.1 45.2
0.700 43.7 44.1 44.4 44.7 44.9 45.1 45.3 45.5 45.7 45.8
0.800 44.1 44.5 44.8 45.1 45.4 45.6 45.8 46.0 46.1 46.3
0.900 44.4 44.8 45.2 45.4 45.7 45.9 46.1 46.3 46.5 46.6
1.000 44.7 45.1 45.4 45.7 46.0 46.2 46.4 46.6 46.7 46.9
1.100 44.9 45.3 45.6 45.9 46.2 46.4 46.6 46.8 47.0 47.1
1.200 45.1 45.5 45.8 46.1 46.4 46.6 46.8 47.0 47.1 47.3
1.300 45.2 45.6 46.0 46.3 46.5 46.8 47.0 47.1 47.3 47.4
1.400 45.4 45.8 46.1 46.4 46.7 46.9 47.1 47.3 47.4 47.6
1.500 45.5 45.9 46.2 46.5 46.8 47.0 47.2 47.4 47.6 47.7
1.600 45.6 46.0 46.3 46.6 46.9 47.1 47.3 47.5 47.7 47.8
1.700 45.7 46.1 46.4 46.7 47.0 47.2 47.4 47.6 47.7 47.9
1.800 45.8 46.1 46.5 46.8 47.0 47.3 47.5 47.7 47.8 48.0
1.900 45.8 46.2 46.6 46.9 47.1 47.3 47.5 47.7 47.9 48.0
2.000 45.9 46.3 46.6 46.9 47.2 47.4 47.6 47.8 48.0 48.1
2.100 45.9 46.3 46.7 47.0 47.2 47.5 47.7 47.9 48.0 48.2
2.200 46.0 46.4 46.7 47.0- 47.3 47.5 47.7 47.9 48.1 48.2
2.300 46.0 46.4 46.8 47.1 47.3 47.6 47.8 48.0 48.1 48.3
2.400 46.1 46.5 46.8 47.1 47.4 47.6 47.8 48.0 48.2 48.3
2.500 46.1 46.5 46.9 47.2 47.4 47.7 47.9 48.0 48.2 48.4

Osbournes Ltd, Diffusers, Grilles and Louvres
Osbournes' ventilation solutions control condensation, humidity & mildew

Phone: +64 (9) 622 0650   Mobile: (027) 527 0069 Fax: +64 (9) 622 0651  
Email: Contact Osbournes   Enquiries: General Enquiry Form
Street Address: 112b Mays Rd, Onehunga, Auckland Mailing Address: 112b Mays Rd, Onehunga, Auckland 1061, New Zealand

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