This shows as 1/2 price on the Chemist Warehouse website, but in reality its about $5 cheaper than other chemists, as I dont think its being sold anywhere at RRP.
The Oapl Space Chamber Combo Infant Spacer plus Mask is also available from CW for the same price: https://www.chemistwarehouse.com.au/buy/74625/oapl-space-cha…