Amazon Alen  
Alen Air Filter B4-Fresh Replacement HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures Allergens & Mold + Odors & Smoke (1 Filter)
FRESH HEPA AIR FILTER: Breathe cleaner air with the Alen Air Purifier's high-quality HEPA filter. This advanced filter captures allergens, dust, mold, germs, harmful chemicals and VOCs, cooking odors, and common household odors, promoting a healthier and safer environment for you and your loved ones.
MEDICAL-GRADE H13 TRUE HEPA FILTER: Discover the exceptional power of our medical-grade H13 True HEPA filter within your home. Our filter captures 99.9% of airborne particles as small as 0.1 micron, this technology provides clean and fresh air throughout your space. Take control of your indoor air quality and create a safe haven for your family.
HASSLE-FREE MAINTENANCE: Convenience made simple. Our Air Filter Replacements feature an easily removable pre-filter screen. Effortlessly clean your replacement filter using a vacuum ensuring optimal performance and extending its lifespan. Save time and effort while enjoying consistent air purification in your home.
EXTRA LONG LASTING: Say goodbye to frequent filter replacements. Our filter has a 9 to 12 months lifespan. Enjoy continuous and hassle-free air purification without the worry of constantly replacing filters.
EFFICIENT FILTER PERFORMANCE: Experience efficient performance with our Alen Air Purifier Filters. The unique design of our H13 True HEPA Medical-Grade Filters includes foam on the outside of the frame, which ensures exceptional effectiveness without any air leaks. Maximize airflow while capturing even the most stubborn particles, achieving a thorough and comprehensive clean.
Alen Air Filter B4-Fresh Replacement HEPA Filter for BreatheSmart 45i & Flex Air
Amazon BluDento  
BluDento B2 aptX HD LDAC True Hi-Fi Bluetooth v5.1 Audio Receiver, Built-in ESS DAC for Analog Stereo RCA Output, Enhanced Working Range, Digital Coaxial & Optical Outputs
Why BluDento B2 Lossless Bluetooth Receiver ? We have an on-board ESS DAC for analog output, others do not. It automatically enters pairing mode when it is powered on and does not require manual operation. BluDento B2 does not require a driver and does not require an APP, while WiFi audio receivers require a driver and require an APP. Auto Reconnect: Turn on your phone's Bluetooth first, then launch BluDento.
Bluetooth Version 5.1: BluDento Bluetooth DAC is featuring Bluetooth v5.1 chipset which is a premium solution delivering high quality wireless audio performance and supporting for LDAC, aptX HD, aptX Low Latency, aptX, AAC and SBC decoding.
Audiophile Grade DAC: Features ESS ES9018K2M DAC which is a high performance 32bit / 384kHz PCM data, 2CH audio D/A converter targeted for audiophile grade portable applications, a high level that will satisfy the most demanding audio enthusiasts. 2.1VRMS MAX RCA output level.
Flexible Output Connectivity: Supports both analog ( L/R RCA / 3.5MM AUX ) and digital ( Optical TOSLINK + SPDIF Coaxial ) outputs, provides wide compatibility with your existing stereo equipment.
Enhanced Long Range: Utilizing CLASS 1 Bluetooth technology and designed with external gain antenna. Kindly be noted that Operation Range can be affected by many factors such as physical obstructions like walls, metal obstacles. And also depended on Bluetooth source devices.
Bring Your Old Speakers Back To Life: BluDento B2 is HiFi Bluetooth DAC Receiver supports aptX HD which can stream high quality music from Bluetooth enabled cellphone, pc or tablet to any of your home stereo systems. Plug and Play, super easy to use.
BluDento B2 aptX HD LDAC True Hi-Fi Bluetooth v5.1 Audio Receiver, Built-in ESS
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