21x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack HPS Irrigation Injector (1:100 ratio): 10–18

Irrigation Injector (1:100 ratio): 10–18 fl

Each container includes 7 million live beneficial nematodes

Designed to stack on top of each other for maximum airflow

ALL of our AWOL products are priced to sell

EASY-TO-USE

21x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack HPS Irrigation Injector (1:100 ratio): 10–18Nordic Pure Trane Replacement MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air