The Philips Avent natural bottles are compatible with: electrical and manual breast pumps, sealing discs, storage cups, bottle warmers, electric and microwave sterilizers.
- The Natural nipples, screw ring and caps of both Natural and Natural glass bottles are interchangeable
- The Natural bottles fit the Classic electric sterilizer. The sterilizer will fit 5 Natural bottles instead of 6 Classic bottles.
- The Natural bottles fit the Classic microwave sterilizer. If you have an older version of the microwave sterilizer, you can order a new inner tray
- 2 Ounce Natural bottles are not compatible with the bottle warmers and trainer handles