Petmate Ruff Max Kennel Replacement Door - Black Size:22 3/4"L x 18 1/2"W It temporarily blocks the toxic

It temporarily blocks the toxic effects of nitrate and is safe and non-toxic to all pond fish

Our patented technology uses trillions of natural enzymes and co-enzymes to break down undesirable organic materials safely and effectively

Read entire label before using and use only in accordance with label instructions

creating a clearer pond and a healthier habitat for your fish and live plants

paraben-free

Petmate Ruff Max Kennel Replacement Door - Black Size:22 3/4"L x 18 1/2"W It temporarily blocks the toxicKeep your pet safe and secure at all times, especially when you're not around. Each Replacement Kennel Door is specifically designed for use with the PetMate Kennels listed below. 11" L x 14 1 2" H (Fits 26" Kennels Kennel Cab Pet Taxi Vari Kennel Ultra Pet Porter II Petco Premium Series Kennel Replacement Door) 13 1 4" L x 15 3 4" H (Fits 28" Kennels Petco Classic Ruffmaxx Large Dog Replacement Kennel Door) 14 1 4" L x 17 5 8" H (Fits 32" Kennels