Metal And Plastic Plenum Boxes Home / Air Conditioning / Ducting Supplies / Metal And Plastic Plenum Boxes / Large Sized Polymer Plenum Boxes Black Plastic Finish Top Entry 100mm to 595mm Large Sized Polymer Plenum Boxes Black Plastic Finish Top Entry 100mm to 595mm Large Sized Polymer Plenum Boxes Black Plastic Finish Top Entry 100mm to 595mm £24.74 £20.62 (ex. VAT) Stock Status: Sold Out Height x Width mm: 100x100x100 150x150x100 (+£0.80) 150x150x125 (+£0.80) 150x150x150 (+£0.80) 200x200x100 (+£3.57) 200x200x125 (+£3.57) 200x200x150 (+£3.57) 200x200x200 (+£3.57) 225x225x100 (+£4.95) 225x225x125 (+£4.95) 225x225x150 (+£4.95) 225x225x200 (+£4.95) 230x230x150 (+£5.17) 230x230x200 (+£5.17) 250x250x100 (+£5.38) 250x250x150 (+£5.38) 250x250x200 (+£5.38) 250x250x250 (+£5.38) 300x300x150 (+£8.86) 300x300x200 (+£8.86) 300x300x250 (+£8.86) 300x300x300 (+£8.86) 350x350x150 (+£10.84) 350x350x200 (+£10.84) 350x350x250 (+£10.84) 350x350x300 (+£10.84) 400x400x150 (+£12.00) 400x400x200 (+£12.00) 400x400x250 (+£12.00) 400x400x300 (+£12.00) 400x400x350 (+£12.00) 450x450x150 (+£13.13) 450x450x200 (+£13.13) 450x450x250 (+£13.13) 450x450x300 (+£13.13) 450x450x350 (+£13.13) 450x450x400 (+£13.13) 460x460x150 (+£13.13) 460x460x200 (+£13.13) 460x460x250 (+£13.13) 460x460x300 (+£13.13) 460x460x350 (+£13.13) 460x460x400 (+£13.13) 595x595x150 (+£25.93) 595x595x200 (+£25.93) 595x595x250 (+£25.93) 595x595x300 (+£25.93) 595x595x350 (+£25.93) 595x595x400 (+£25.93) 595x595x450 (+£25.93) Duct Entry Size: Sorry, this item is out of stock Information Reviews Large Sized Self Select Polymer Plenum Boxes Black Plastic Finish 100mm to 595mm A range of polymer plenum boxes offer a highly cost effective and lightweight method of ductwork connection to our grille range. The black finish improves installation aesthetics and the non-corrosive easy clean poly. Top duct entry. Please select duct entry size. Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product Related Products 50mm Wide 45 Meter Roll Of Aluminium Foil Duct Tape £11.84 £9.87 (ex. VAT) Ceiling Diffuser 4 Way Blow Without Damper White Finish Diameters 150mm to 600mm £35.63 £29.69 (ex. VAT) Tecseal 100FR High Quality Solvented Duct Sealant 380cc Cartridge Tube £30.20 £25.17 (ex. VAT) Female Coupling For Circular Spiral Ducting 80mm To 630mm £7.29 £6.08 (ex. VAT) Male Coupling For Circular Spiral Ducting 80mm To 1250mm £3.24 £2.70 (ex. VAT) 100 Tough High Quality Duct / Cable Ties NT-33 For Flexible And Spiral Ducting Max Diameter 250mm £48.80 £40.67 (ex. VAT) Single Deflection Grille Without Damper White Finish 100mm to 600mm £22.51 £18.76 (ex. VAT)