Here is a refill that would be great for your home in Johannesburg: The Airwick Freshmatic Touch Of Luxury Automatic Air Freshener Refill 250ML is available for R99.99. This refill is designed for the Airwick Freshmatic automatic air freshener, keeping your space fresh with a luxurious scent for up to 30 days. As it's a popular international brand, you should be able to find it at most supermarkets and chemists in Johannesburg. Let me know if you need any other details!