Easiest solution for joining two hoses with same diameter is to use equal straight fitting. Very fast, simple and reliable solution. Simply push-in hose on both sides and you're done. This category contains push-in fittings for hoses with external diameter ranging from 4 mm to 16 mm. If you need fittings for larger hoses, please contact us. Best choice for polyurethane, polyamide and teflon hoses (as all push-in fittings).