89mm Carnival Canary Replacement Slats These replacement slats come complete with 89mm (3.5″) Louvres, Louvre Weights , Bottom Chain and Louvre Hook. Est.Despatch: 3 Days. At Five Star Blinds we offer a comprehensive range of fabrics and colours all at very competitive prices. We manufacture the blinds on site in our own workshops, no agents, no commissionable sales men. You are buying from the blind manufacture and all the savings are being passed on to you.