This PYREX® bumper guard is a polyethylene shock absorbing ring designed to reduce breakage of 25 mL cylinders. For best results, slide the ring toward the top to absorb shock should the cylinder be accidentally upset.

Item Description:
This PYREX® bumper guard is a polyethylene shock absorbing ring designed to reduce breakage of 25 mL cylinders. For best results, slide the ring toward the top to absorb shock should the cylinder be accidentally upset.

Product Family Description:

A polyethylene shock absorbing ring designed to reduce breakage of cylinders. For best results, slide the ring toward the top to absorb shock should the cylinder be accidentally upset.