Shop › Boston Scientific | STE-297-50 | Case of 50 | TrapEase Single Chamber Polyp Trap 1 / 3 Image 1 of 3 Image 2 of 3 Image 3 of 3 Boston Scientific | STE-297-50 | Case of 50 | TrapEase Single Chamber Polyp Trap $90.00 sold out Boston Scientific STE-297-50 TrapEase Single Chamber Polyp Trap Case of 50REF STE-297-50No expiration date. Sold Out Added! Boston Scientific STE-297-50 TrapEase Single Chamber Polyp Trap Case of 50REF STE-297-50No expiration date.