Allow Avent and Spectra S1/S2 flanges to use with standard sized bottles. Compatible With Medela bottle
We recommend that you use a bottle-stand (such as ASIN B00PRPLRYQ) as well to reduce the tipping-over of the bottle.
BPA free, dishwasher safe; FDA compliant for food contacts
Bonus duckbill to be used with either spectra S1 or S2 pump; also compatible with Medela flange and replace its valve/membrane
Details: To allow spectra wide-mouth bottles - S1, S2 to use standard sized bottles (Compatible with Medela bottles given out at the hospital, Ameda bottles)
