20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 1 Pack HPS Tundra can be tank-mixed with

Tundra can be tank-mixed with aqueous nutrient solutions and/or applied directly to plant roots at the

5 VDC power adapter and instruction manual

monitor or controller

We recommend this blend for outdoor use

(1) Instruction manual

20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 1 Pack HPS Tundra can be tank-mixed withImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 3 8 and 4 7 8 inch depth filters,