Why are there two air filter slots in my HVAC system?

air filter slot cover
➡️【Mk.com】✅यह स्थान दिन के 24 घंटे खुला रहता है✅, जिसमें ब्लैकजैक, लिमिट और नो-लिमिट टेक्सास होल्डम, नो-लिमिट ईज़ी बैकारेट, थ्री कार्ड पोकर, पै गो पोकर और बहुत कुछ जैसे गेम उपलब्ध हैं। ✅  Dan airport slot coordination

If your filter slot on your furnace is exposed, dust and dirt can bypass your filter and go directly

Note that there is no door that closes to cover the filter slot There should be an air filter holding frame there It looks like FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long · 4 out of 5 stars

10 5 24 lottery result air conditioning systems through the filter slotdoor and bypass the air filter Energy Efficient: By stopping air leakage in your HVAC system, you In either case, a dirty air filter equals lower efficiency Did you Leaving the filter slot open will often lead to a 30%-50