Durable metal grill now sports a fresh, contemporary design. Protects your door’s lower screen by preventing children or pets from pushing out or tearing the screen mesh. Adjusts from 20 to 32 to fit virtually all RV screen doors. Need a black screen protector do they make them? Kraft Screen and Door supplies and installs a variety of products to do just that. Pet Grills are installed on the outside of Patio Sliding Screen doors to help protect the insect mesh from being damaged by dogs or cats.