Below is our range of Duet style concertinas.  We would be pleased to quote for your specific requirements.  Our Conditions of Sale apply.  If you have any queries please contact us.

No. 1H Concertina, 46 keys from tenor C to D. 7-fold bellows.
No. 2H Aeola, 55 keys from tenor Bb to D. 7-fold bellows. 7 1/4" Octagonal.
No. 3H Aeola, 82 keys from baritone F to C. 9-fold bellows. 10 3/4" Octagonal.