14mm Female to 14mm Female - $15.00 14mm Male to 14mm Male - $15.00 14mm Male to 18mm Female - $15.00 18mm Female to 18mm Male - $15.00 18mm Female to 18mm Female - $15.00 14mm Male to 18mm Male - $15.00 18mm Male to 18mm Male - $15.00 18mm Male to 14mm Female - $15.00 10mm Female to 10mm Female - $15.00 Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Glass Adaptors - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Glass Adaptors in 14mm and 18mm male and female