Extended Generic Code At Slendertone IE Written by Optimus Performance Marketing on November 29, 2013. Posted in Awin, General Promotions, Health & Beauty, Ireland, Offers/Promotions, Voucher Codes Slendertone Ireland Affiliate Newsletter News | Promotions Extended Generic Code At Slendertone IE Slendertone IE are pleased to announce they have extended their current generic voucher code for December. Code: SLEN20 Offer: 20% off €120 Expires: 31/12/2013