Since the brand's inception, Belmikal has focused on the needs of mothers when it comes to breastfeeding. It innovates and develops comfortable and easy-to-use products for them. Belmikal products are safe, efficient and easy to use. Belmikal is committed to innovating a range of breastfeeding accessories compatible with brands such as Momcozy, spectra, medela, ameda, motif luna and others. Aspects have been developed that are compatible with spectra, motif luna, medela mya: Compatible and interchangeable with Spectra S2, Spectra S1, Spectra 9 Plus, Motif luna, Ameda mya parts. Includes 18 different sizes of flanges/sheilds, Tube, duckbill valves, Backflow Protector, milk storage bag adapters All available on Amazon. Available in 18 different flange sizes: 13mm,14mm,15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,24mm,27mm,28mm,29mm,30mm. Compatible and interchangeable with breast pump parts of the above brands. Same suction power as original parts, easy to install, remove and clean, BPA free.