We etch depth markings directly onto the blade

while the queen is unable pass through openings

for gas or electric water heaters

a fifth-generation pyrethroid and will not stain or cause damage to surfaces where water alone causes no damage

Medium Measures 29 inch long by 21

Outdoor Pet Odor Eliminator, 32-oz. Spray Lamplight Farms We etch depth markings directlySimple green, 32 oz, outdoor odor eliminator, quickly removes outdoor odors, ideal for patio, dog runs & artificial turf, neutralizes pet odors naturally with microorganisms, will not harm lawn or landscaping, fresh clean scent, non toxic & biodegradable, never tested on animals, people, pet, & surface safe, trigger spray.