H&Y S-GND1.2 Quick Release Magnetic Filter Frame. - Model: S-GND1.2 - Type: Quick Release Magnetic Filter Frame - Brand: H&Y Thank you for viewing. This is a used H&Y square magnetic frame for a half-gradation filter, made of Gorilla Glass. There are no scratches on the glass surface. Please check the photos and description for the condition of the product. No claims and no returns are accepted.