{"product_id":"southwark-20-x-25-single-wall-galvanized-return-air-box","title":"Southwark  20\" x 25\" Single Wall Galvanized Return Air Box","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\u003cp\u003eThe Southwark return air box measures 20\" x 25\" and is made of single-wall galvanized steel. It forms the plenum between return ductwork and a wall or ceiling grille, helping air move back to the heating and cooling equipment smoothly.\u003c\/p\u003e\u003cp\u003eFlanged edges and a flat sheet-metal back make duct connections quick and secure. The box holds a standard air filter, so filter changes are simple in residential and light commercial systems.\u003c\/p\u003e\u003ch4\u003eProduct Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e20\" x 25\" return air plenum\u003c\/li\u003e\n\u003cli\u003eGalvanized steel resists corrosion\u003c\/li\u003e\n\u003cli\u003eFlanged edges for easier installation\u003c\/li\u003e\n\u003cli\u003eFlat back for duct attachment\u003c\/li\u003e\n\u003cli\u003eAccepts a standard air filter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrand: Southwark\u003c\/li\u003e\n\u003cli\u003eType: Return Air Box\u003c\/li\u003e\n\u003cli\u003eSize: 20\" x 25\"\u003c\/li\u003e\n\u003cli\u003eMaterial: Galvanized Steel\u003c\/li\u003e\n\u003cli\u003eConstruction: Single Wall\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Southwark","offers":[{"title":"Default Title","offer_id":50471907524965,"sku":"5663","price":98.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/7336\/9189\/files\/pse26-5663-1.jpg?v=1794305842","url":"https:\/\/plumbersstockexpress.com\/products\/southwark-20-x-25-single-wall-galvanized-return-air-box","provider":"PlumbersStock Express","version":"1.0","type":"link"}