{"product_id":"return-air-box-750x400-150h-ins-1x400-ra75401400-sa","title":"Insulated return air box 750 x 400mm, 1 x 400mm (RA75401400-SA)","description":"\u003cp\u003eThis AAD return air box, RA75401400-SA, is insulated, 150mm high, and has a 750 x 400mm face with one 400mm spigot.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFace: 750 x 400mm\u003c\/li\u003e\n\u003cli\u003eHeight: 150mm\u003c\/li\u003e\n\u003cli\u003eSpigots: 1 x 400mm\u003c\/li\u003e\n\u003cli\u003eInsulated\u003c\/li\u003e\n\u003cli\u003eCode: RA75401400-SA\u003c\/li\u003e\n\u003cli\u003eBrand: AAD\u003c\/li\u003e\n\u003cli\u003eProfile: low, 150mm high\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe low 150mm profile suits a ceiling with limited space above it. The box fits over a 750 x 400mm return air grille, collects the air drawn through it and sends it through the 400mm spigot into the return duct. Fix it securely to the framing and seal the duct connection with tape and a strap.\u003c\/p\u003e\u003cp\u003eMatch the box face to your return air grille size. Confirm the grille size and that a 400mm return duct is planned. Make sure the duct can turn away from the spigot without kinking in the shallow space.\u003c\/p\u003e","brand":"AAD","offers":[{"title":"Default Title","offer_id":48820877459693,"sku":"RA75401400-SA","price":843.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/5114\/2125\/files\/895RA-RETURNAIRBOX_84829cd1-5db6-40fb-9f9b-7087a9d2c28d.jpg?v=1780215595","url":"https:\/\/www.achub.com.au\/products\/return-air-box-750x400-150h-ins-1x400-ra75401400-sa","provider":"AC Hub Direct","version":"1.0","type":"link"}