{"product_id":"welseal-upvc-letter-box-305mm-wide","title":"WELSEAL UPVC Letter Box 305mm Wide","description":"\u003cp\u003eIntroducing the Welseal 12\" (305mm) letterboxes, expertly designed to accommodate doors with a thickness ranging from 38mm to 78mm. These letterboxes not only enhance the aesthetic of your entrance but also provide practical features that ensure durability and efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Fit:\u003c\/strong\u003e Suitable for door thicknesses of 38mm to 78mm, making them adaptable for various installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Sealing:\u003c\/strong\u003e Equipped with a secondary internal nylon brush seal, these letterboxes significantly reduce air filtration, ensuring a more energy-efficient environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous Access:\u003c\/strong\u003e The external flap opens to approximately 147º, providing ample access to the sleeve aperture for easy mail retrieval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Crafted with a sturdy moulded frame, the letterbox features both internal and external sprung flaps for reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 30.4cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Centres:\u003c\/strong\u003e 275mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Thickness:\u003c\/strong\u003e 38mm to 78mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening Size:\u003c\/strong\u003e 254mm x 38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Size:\u003c\/strong\u003e 300mm x 70mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the Welseal letterbox for a perfect blend of functionality and style, ensuring your mail is protected while enhancing your door's appearance.\u003c\/p\u003e","brand":"Aldridge","offers":[{"title":"Gold","offer_id":44529067393113,"sku":"L12717-AL","price":44.28,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":44529067425881,"sku":"L12716-AL","price":32.19,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":44529067458649,"sku":"L12715-AL","price":40.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9035\/8617\/files\/Screenshot_2026-08-15_160017.png?v=1786802432","url":"https:\/\/metalix.co.uk\/products\/welseal-upvc-letter-box-305mm-wide","provider":"Metalix Hardware","version":"1.0","type":"link"}