CRL Black Anodized 3 x 11-12” No-Draft Mail Slot

mail slot insulation   Dan mail slot cover plate

The No-Draft Mail Slot has two door flaps, both spring loaded and weather-stripped, as well as an internal brush strip for greater insulation and privacy

Get free shipping on qualified Outgoing Mail SlotReceptacle Fiberglass Insulation products or Buy Online Pick Up in Store today in the Building Materials I'm thinking of also having the guy also seal up the interior side of my in-wall mail slot Then fill the void with pink insulation, cut a

naughty wukong slot BOTA is a mail slot insulator that is designed to Block Out The Air and insulate your mail slot but keep it completely functional  DraftGuard Mail Slot – Brass Anodized Aluminum · Insulated letter slot eliminates drafts and dust · For metal, PVC and wood doors · Fits doors 1 34” thick