Natura Ostomy Barrier, Mold To Fit Hydrocolloid Tape 2-1/4 Inch Flange 7⁄8 to 1-1⁄4 Inch stoma opening, 421040 - Box of 10. Brand: Natura. Manufacturer Name: Convatec. Manufacturer Number: 421040. Application: Ostomy Barrier. Barrier Shape: Accordion Flange. Barrier Type: Mold To Fit. Color: Beige. Flange Size: 2-1/4 Inch Flange. SOLD BY: Box of 10. Accordion Flange, mold to fitBeigeHydrocolloid tape adhesive2¼ Inch flange22 to 33 mm stoma opening