WAL-107

Round Hole Diameter 9.5mm - Centre 12.7mm - Open Area 51%

WAL-132

Hole 26mm x 90mm - Open Area *AUR

WAL-131

Hole 15mm x 80mm - Louvred Vent

WAL-130

Hole 19mm x 37mm - Open Area *AUR

WAL-128

Hole 80mm x 120mm - Open Area *AUR

WAL-127

Hole 110mm x 127mm - Open Area *AUR

WAL-126

Hole 195mm x 160mm - Open Area *AUR

WAL-125

Hole 90mm x 200mm - Open Area *AUR

WAL-124

Hole 165mm x 85mm - Open Area *AUR

WAL-122

Hole 5mm x 25mm - Centre 10mm - Open Area 40%

WAL-121

Hole 3.5mm x 30mm - Open Area *AUR

WAL-120

Hole 6mm x 30mm - Centre and Open Area *AUR

WAL-119

Hole 5mm - Centre 10mm - Open Area 25%

WAL-118

Hole 22mm - Centre 35mm - Open Area 40%

WAL-117

Hole 10mm - Centre 22mm - Open Area 21%

WAL-116

Hole 4mm x 50mm - Open Area *AUR

WAL-115

Hole 12mm x 40mm - Open Area *AUR

WAL-114

Hole 6.5mm x 25mm - Open Area *AUR

WAL-113

Hole 6.5mm x 25mm - Open Area *AUR

WAL-112

Hole 7mm - Centre 12.7mm - Open Area 30%

WAL-144

Round Hole Diameter 20mm - Centre 45mm - Open Area 15%

WAL-145

Round Hole Diameter 20mm - Centre 45mm - Open Area 30%

WAL-146

Round Hole Diameter 15mm - Centre 25mm - Open Area 28%

WAL-147

Round Hole Diameter 15mm - Centre 25mm - Open Area 56%

WAL-148

Round Hole Diameter 12mm - Centre 20mm - Open Area 28%

WAL-149

Round Hole Diameter 12mm - Centre 20mm - Open Area 56%

WAL-150

Round Hole Diameter 10mm - Centre 30mm - Open Area 18%

WAL-151

Round Hole Diameter 10mm - Centre 20mm - Open Area 20%

WAL-152

Round Hole Diameter 10mm - Centre 20mm - Open Area 22%

WAL-153

Round Hole Diameter 10mm - Centre 20mm - Open Area 40%

WAL-154

Round Hole Diameter 8mm - Centre 13mm - Open Area 34%

WAL-155

Round Hole Diameter 7.94mm - Centre 16.5mm - Open Area 21%

WAL-156

Round Hole Diameter 6mm - Centre 16.6mm - Open Area 17%

WAL-157

Round Hole Diameter 6mm - Centre 8.3mm - Open Area 47%

WAL-133

Round Hole Diameter 3.2mm - Centre 4.9mm - Open Area 38%

WAL-134

Round Hole Diameter 3.2mm - Centre 5.6mm - Open Area 30%

WAL-158

Round Hole Diameter 3mm - Centre 6.18mm - Open Area 38%

WAL-159

Round Hole Diameter 4.65mm - Centre 6.35mm - Open Area 48%

WAL-160

Round Hole Diameter 4.65mm - Centre 11mm - Open Area 16%

WAL-161

Round Hole Diameter 4.95mm - Centre 8.01mm - Open Area 35%

WAL-135

Round Hole Diameter 5.5mm - Centre 8mm - Open Area 42%

WAL-136

Round Hole Diameter 5mm - Centre 16mm - Open Area 9%

WAL-162

Round Hole Diameter 6.5mm - Centre 13mm - Open Area 39%

WAL-163

Round Hole Diameter 6.5mm - Centre 13mm - Open Area 20%