Diaco is a specialist vape retailer serving customers in eastern Tehran, with an online store focused on vaping devices, e-liquids, and related accessories. The shop says its products come with a guarantee of authenticity and promotes affordable options alongside premium selections. Its catalogue includes vape kits and pod systems from brands such as Smok, VooPoo, Vaporesso, Uwell, Geekvape, and Lost Vape, as well as pod mods, disposable devices, and replacement coils and cartridges.

Customers can also browse e-liquids and nicotine salts from brands including Nasty, Vgod, Dinner Lady, IVG, and Ripe Vapes. Products are organized by brand, flavor, nicotine strength, capacity, and device features, making it easier to compare options. Diaco also offers batteries, atomizers, cotton, glass, drip tips, and other vape accessories, alongside educational content and information on warranties, order tracking, and delivery.

The store provides sales consultation and advertises free shipping. It also promotes a 15% discount for customers checking prices and making their first purchase