Slightly cheaper than usual if you're looking at stocking up on vacuum bags.
Normally cost about $20-$25 for 4x from Harvey Norman/JB/Farmers/Godfrey's
Shipping came up free for me when I purchased (might be based off pre-discount price).
Contains 16 dustbags
• 4 motor filters and 4 AirClean filters
• Multi layers of random-spun fibres ensure optimised filtration and continuous suction. Self-closing dust trap
• Suitable for Classic C1, Complete C3, Complete C2, S8xxx, S5xxx, S2xxx, S8xx, S6xx and S4xx models
• Maximum efficiency when vacuuming at a low power level
• Longer service life with 3D dustbag technology
• Clean bag replacement thanks to automatic bag closure
They also have 25% off the GN hyclean allergy pack which has the HA50 filter and 8x bags. $74.92